The perimeter of a rectangle is 24 centimeters. its length is 9 centimeters. find the width

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items