The perimeter of a triangle is 79 cm. the lengths of its sides are 2x cm, 3x + 7 cm and 5x +2 cm. what is the length, in cm of the longest side of the triangle

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Explain how you divide powers with like bases. discuss why the bases have to be the same. how are these rules similar to the rules for multiplying powers with like bases.

How do i put 3(x+7) in distributive property