What is the interquartile range of this data set?
2,5,9, 11, 18, 30, 42, 48, 71, 73, 81

A. 21

B. 79

C. 62

D. 41

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Match each inequality to the number line that represents its solution