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Browse questions and clear answers across school subjects and test-preparation topics.

Question

A fruit market budget question.

A fruit market must spend less than $350 for an order of peaches and mangoes. A pound of peaches costs $0.50 and a pound of mangoes costs $1.75. This relationship is shown in the graph. The market needs at least 50 more pounds of peaches…

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Question

What is a reasonable solution?

A jeweler must spend less than $300 to order gems for bracelets and necklaces. Supplies for each bracelet cost $5 and supplies for each necklace cost $12. This relationship is shown in the graph. The jeweler wants to make at least 10 more…

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Question

How many more students liked red than yellow?

Red is the favorite color of 7 students. Yellow is the favorite color of 6 students. How many more students liked red than yellow? Which answer shows how to solve the problem? Add 7 and 6 because the question asks how many more. Add 7 and…

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Question

How many problems were you assigned for homework?

You completed 9 problems of your math homework. You have 6 problems left. How many problems were you assigned for homework? Which answer shows how to solve the problem? Subtract: 9 – 6 because you have 6 problems left. Subtract: 9 – 6…

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Question

All living systems obey the laws of conservation of mass and energy. These laws state that mass and energy cannot be __________ nor destroyed. Chemical reactions, such as photosynthesis and cellular respiration, demonstrate the law of conservation of mass, as the mass of the reactants equals the mass of the __________, and the total number of __________ of each element is the __________ on both sides of the chemical equation. Ecosystems demonstrate the law of conservation of energy. The total amount of energy in the system is constant, however, the energy available in a food chain/web decreases as you move through trophic levels due to the transfer of __________ energy to the environment.

All living systems obey the laws of conservation of mass and energy. These laws state that mass and energy cannot be __________ nor destroyed. Chemical reactions, such as photosynthesis and cellular respiration, demonstrate the law of…

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Question

Which answer shows how to solve the problem?

Blue is the favorite color of 13 students. Orange is the favorite color of 9 students. How many more students like blue than orange? Which answer shows how to solve the problem? Subtract: 13 – 9 because it shows the difference between the…

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Question

Which of the following are conserved during a chemical reaction? Size of reactants and products, Volume of reactants and products, Number of atoms of elements in the reactants and products, Energy of the reactants and products, Mass of reactants and products.

Which of the following are conserved during a chemical reaction? Size of reactants and products. Volume of reactants and products Number of atoms of elements in the reactants and products Energy of the reactants and products Mass of…

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Question

Will the wind chime fit inside the box?

A wind chime in the shape of a cylinder measures 16 inches long. Will the wind chime fit inside the box? Match the statement to the phrase that correctly completes it. A phrase can be used more than once or not used. The diagonal of the…

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Question

What is true about refracting telescopes?

Select the statement(s) that are true about refracting telescopes. used to view objects in space bends visible light to create an image too weak to view objects in space the type of telescope Galileo used magnifies the object and makes it…

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