Which expression represents the area of the shaded region?

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2