Simplify and factor: 3/4 (7/2x-20)-5/4(1/2x+4/5)

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 of the following is the true for f(x) = 5cos

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?