1. Is x> y ?

a) ax>ay
b) a(square)x > a(square)y


2. if the perimeter of a square region S and the perimeter of the circular regio C are equal, then the rati of S to the area of C is closed to ...?

3) If n and k are integer whose product is 400 which of the following must be true

a) n+k>0
b)n notequal to K
c) either n or k is a multiple of 10
d)if n is even k is odd
e)if n is odd then is even