There are two sprinklers that spread water in a circular sector (90 degrees). They only spray in an 18-foot radius. The lawn measures 18' by 36' , and each sprinkler has a spray radius of 18'. What is the area of the section of lawn that is not watered by either sprinkler?

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?

Tell whether the two rates form a proportion