1. which scale factors produce an expansion under a dilation of the original image? a) 1/2 b) -2 c) 2 d) −1/2 2. which scale factors produce a contraction under a dilation of the original image? a) 1/2 b) -2 c) 2 d) −1/2

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Asphere has a diameter of 10 in. what is the volume of the sphere?