The length of a rectangle is three times its width.
If the area of the rectangle is 243 yd^2, find its perimeter.

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Which expression is equivalent to 3^3 + 2^2?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,