The prism below has a volume of 21 cubic units. The base is a right triangle with legs that have lengths of 2 units and 3 units. Find the height of the prism.

A. 7 units

B. 3.5 units

C. 21 units

D. 11.5 units

Solve 8x - (2x+3) = 4x+1

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Simplify the following. 81^3/4

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In a certain box there are 7 blue marbles and 9 red marbles. drawing two marbles without replacement, what is the probability that

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If a^2 + b^2=c^2 then the triangle is a right triangle. A triangle with side lengths of 12 in, 24 in and 16 inches is a right triangle. True or False

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George wants to buy a $200 bike by the end of the summer. He decides to do odd jobs to earn the money for the bike. He miss lawns, washes cars, and waxes cars. His rates are $10 for a mowed lawn, $8 for a washed car, and $4 for a waxed car.