Browse questions and clear answers across school subjects and test-preparation topics.
Based on this excerpt, plant cell cultures grown in bioreactors differ from industrially grown produce in which two of the following ways? A Plant cell cultures can be grown any time of year, while industrially grown produce cannot. B…
Read more →Sharon Tindall is a contemporary quilter whose work is inspired by “quilt code.” Based on this selection, Tindall thinks of a quilt as A) an ally. B) a horizon. C) a prayer. D) an orchard.
Read more →Which sentence from the text supports the claim that Wells wanted to make changes in Chicago’s black neighborhoods? A. Wells continued her activism in New York. B. Women’s suffrage groups marched in parades to bring attention to their…
Read more →Which of these sentences contains a SUMMARY? A While he acknowledged that the inserts supported his arches, he felt slight pain on the sides of his feet. B The Pro Walk provided support around Christian’s arches. C This infomercial claims…
Read more →Solve for n. 1 = n/2 – 1 n =
Read more →The surface area for a rectangular prism with a square base is SA = 2s² + 4sh. What is the surface area if S = 2 and h = 4? 1. 32 2. 40 3. 48 4. 56
Read more →Solve for g. A) 1 B) 2 C) 3 D) 4
Read more →There are 12 feet of wrapping paper on each roll. Jill needs 84 feet of wrapping paper. Which equation can Jill use to find the number of rolls, r, she needs? 12r = 84 84/r = 12 84/12 = r All of these answers are correct.
Read more →Solve for s. 1/3s + 1/2 = 9/4 + 1/4s s =
Read more →What is the area of this rectangle? The area of the rectangle is 34.1 b² ft². 68.2 ft. 281.4 b² ft². 404.01 b² ft².
Read more →Based on the information provided, which location represents Jonesville and why? Location A: oceans heat up more slowly than landmasses, causing smaller daily temperature fluctuations at the coast. Location B: oceans heat up more quickly…
Read more →Read this part from the text. Respecting others A online is different than in real life. B is easier to do when communicating in real life. C should happen in the real world and online. D might be more difficult in the real world.
Read more →This text is mainly about how people A) choose what to post or send in online groups. B) set up online accounts for different reasons. C) safely play games and join groups online. D) can be respectful and stay safe online.
Read more →What is the best meaning of “feud” as it is used in paragraph 8? A. conflict B. disaster C. collaboration D. business deal
Read more →Solve for q. 3/2 – 5/4q + 2/3q – 5/6 = -q q =
Read more →Solve for f. f =
Read more →Solve for d. −3 + 4/5 d + 3/2 d + 2 = 3d d =
Read more →Three students are working to find the solution set of this system of equations: y = 2x + 6 2y = 4x – 2 Use the drop-down menus to complete the statements about each of their methods. Shannon Shannon correctly graphs the two lines and…
Read more →Choose the sentence from this excerpt that confirms the value to marine scientists of underwater microphones called hydrophones. They notice a thick layer near the surface; this is probably the migrating zooplankton. A deeper blob…
Read more →Which sentence from the selection best reveals the impact humans have on marine life? A. A lot of research has begun to look into the effects we are having on the soundscapes of the deep. B. Acoustic data is complex, and acoustic marine…
Read more →The author includes an author’s note at the end of the selection. What additional information does this contribute to the selection? A) It introduces a new method scientists are using to study marine life. B) It argues that marine…
Read more →In this excerpt, when describing scientists, the author mostly focuses on the A research team’s dependence on water temperature. B findings from passive data compared with those from active data. C comparison between high tech and…
Read more →Based on what you have read, which two factors do scientists consider when studying the ecology of the shelf? A biological elements B characteristics of natural disasters C characteristics of water D technological elements E elements of…
Read more →This selection can best be described as an informational text because the author A tries to convince you to do something. B uses a make-believe story to prove her point. C tells about an experience in her own life. D explains facts about…
Read more →Read this excerpt from the selection. The author uses the expression “hive of activity” to create the sense that the onboard lab is A) orderly. B) calm. C) hectic. D) dangerous.
Read more →Read these two excerpts. How does the author structure these excerpts similarly? A by outlining the effects that marine research has on scientific community B by comparing scientists’ behavior to that of the animals they study C by…
Read more →Read these excerpts. Together, what do these excerpts suggest about life at sea on a research vessel? A) Sorting through small, captured organisms on a ship is the worst part of a researcher’s role. B) Life aboard a marine research vessel…
Read more →Which sentence from the selection best conveys the central idea? A) Ecological mapping gives researchers insight into living things and their habitats. B) The scientists turn, retreating to the safety of the laboratory onboard. C) The…
Read more →Which is the best first step and explanation for solving the system of equations? 3x + 3y = 9 Add the second equation to the first equation. 4x + 2y = 4 and 2x + 4y = 14 Multiply both sides of each equation by 2. -4x – 2y = -4 and x + 2y…
Read more →Which is the best first step and explanation for solving this system of equations? (3x + y) – (x + y) = 7 – 3 Subtract equal quantities from both sides of the first equation. (3x + y) + 3 = 7 + 3 Add the same number to both sides of the…
Read more →Which choice is the most efficient first step to solve this set of equations? 2x – x = y – y + 30 2x + x + y = y + 30 y + y = 30 x + 2x = 30
Read more →Read this excerpt. Which two sentences are opinions? A The amount of protected land in those forests more than tripled. B He thought forests should be used to benefit people. C The number of national forests grew from 60 to 150. D He…
Read more →Choose the sentence in this excerpt that provides evidence supporting the idea that sometimes the government creates laws that benefit businesses more than nature. The movement has faced legal challenges. Sometimes, the government creates…
Read more →Read this excerpt. Which sentence best summarizes this information? A Humans have never been very good at looking after the environment. B Humans have been concerned for the environment for a long time. C The environment and humans have…
Read more →Greenpeace members can best be described as A. compassionate. B. immovable. C. passionate. D. softhearted.
Read more →What is Leopold’s idea of “land ethic”? A People should tackle nature as something to overcome or defeat; land is something to subdue and settle. B People should come together to make decisions about how land should be used. They should…
Read more →Which incident made Americans very concerned about nuclear energy? A The Science Committee warned Americans about using harmful chemicals broadly. B A Pennsylvania nuclear plant leaked radioactive gas that could make people and animals…
Read more →Senator Gaylord Nelson was inspired to create Earth day because of A the information he read in Rachel Carson’s book. B the effects of the oil spill in California. C the concerns he had over timber logging. D the after effects of…
Read more →What does the acronym NIMBY mean? A) Not In My Back Yard B) Never In a Million, Billion Years C) New Incredible Moments Begin Yesterday D) Nuclear Institute of Monterey Bay, Yucatan
Read more →The central idea of this selection is A) the legislation created to protect the environment in the 1970s. B) the conflict among personalities in the environmental movement. C) the history of the environmental movement in America. D) the…
Read more →Vaping is… …holding an e-cigarette or vape device to look cool. …the act of inhaling and exhaling water vapor only. …the act of inhaling and exhaling tobacco from a cigarette. …using an e-cigarette or vape device to inhale vapor.
Read more →Simplify. Express your answer using positive exponents. 4m^0 4m^−5
Read more →Simplify. Express your answer using positive exponents. 4m 4m
Read more →Simplify. Express your answer using positive exponents. 4m 4m
Read more →Simplify. Express your answer using positive exponents. 2w⁶ 2w²
Read more →This organ produces sperm cells and testosterone: A sac-like pouch located behind the penis that holds testes and helps regulate temperature for sperm production: The external male organ which delivers the sperm to the female body: It…
Read more →Triangle ABC is shown on the coordinate grid. Triangle ABC will be dilated by a scale factor of n with the origin as the center of dilation to create triangle A’B’C’. Which order pair best represents the location of point C’? A. (5/n,…
Read more →Quadrilateral QRST is dilated by a scale factor of \(\frac{2}{3}\) with the origin as the center of dilation to create pentagon Q’R’S’T’. If (x, y) represents the location of any point on pentagon QRST, which ordered pair represents the…
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