What is the scale factor in each proportion? a) 1 : 2 = 5 : 10 Scale factor:

b) 5 : 6 = 10 : 12 Scale factor:

c) 4 : 5 = 24 : 30 Scale factor:

d) 3 : 7 = 30 : 70 Scale factor:

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box