Please help me with my algebra homework? What is the sum of the geometric sequence 1,-6,36, if there are 7 terms?(1 point)

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.

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9