WHAT IS 87 * 3746873246728?
I need this. ;-;

Solve the system of equations. y= 2x y= x^2 - 15

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.

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.