Write the number in expanded form 36.13

The product of two negative rational numbers is always zero sometimes zero never zero

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.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)