What is 3k^2 (-2k^2-4k+7) ?

A.-6k^3 - k + 10k

B. - 6k^4 - 12k^3+21k^2

C. k^4-k^3+10k^2

D. 6k^4 - 12k^3+10k^2

I picked B.

Which one of the following statements about quadrilaterals is true?>/i> A. A parallelogram with a right angle is a rectangle. B. A quadrilateral with a right angle is a rhombus. C. A quadrilateral with two pairs of parallel sides is a trapezoid. D.

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Ari stocks shelves at a grocery store. He puts 35 cans of juice in each display case. The case has 4 shelves with an equal number of cans, and one shelf with only 3 cans. How many cans are on each of the equal shelves?

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