Given two angles that measure 50 degrees and 90 degrees and a side that measures 4 feet

Rewrite the following without an exponent. (5/8)-1

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?