Find the product and simplify your answer. 7a5(-3a4+5a-5)

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square