Aand b are positive integers and a–b = 3. evaluate the following: 9^ (1/2 b)/ 3^a

Evaluate the expression for the given value of the variable 7a - 4a for a =8

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge