Solve. V=πr2h for r

The perimeter of triangle ABC is 54 inches. Find the length of each side. A right triangle. The vertices of the triangle are labeled A, B, and C. Leg AB is labeled 3x. Leg BC is labeled 4x. Side AC is the hypotenuse and is labeled 5x.

What is (4-2i) - (-3+i) equal

Bill weighs 120 lbs and is gaining ten lbs each month. Phil weighs 150 lbs and is gaining four lbs each month. How many months will it take for bill to wiegh the same as phil?

Solve for x. 89 (54x-36) + 2=-34 (-40+16x) + 90x

Which expression is equivalent to - 5 (-2k+4)

At a birthday party, there are 2 gift boxes that are red, 8 gift boxes that are green, 4 gift boxes that are blue, and 10 gift boxes that are multi-colored sitting on a table.

At the flea market Paul found 4 buckets of LEGOs with each bucket containing 1,398 LEGO pieces. If he wanted to split the LEGO pieces into 3 piles, how many pieces should he put into each pile

Josephine buys candy. The candy costs $14.95 per pound. She buys 0.63 pounds of candy. Hiw much does 0.63 pounds cost round your answer to thw nearest cent

3x^2+y^2+8y+10=0 What is this in standard form?

Set up an algebraic equation and then solve the following problem. The width of a rectangle is 7 feet less than its length. If the area of the rectangle is 170 square feet, then find the length and width.