The rileys are replacing the carpet on their outdoor deck. the deck is a regular hexagon with radius 9ft. the cost for the carpet and installation is $3.75/ft^2. what will it cost to replace the carpet? have to show work on how i got the answer

Dagne measures and finds that she can do a vertical jump that is 27.5% of her height.if dagne is 48 inches tall, how high can she jump? enter your answer in the box. inches

As a manufacturer of golf equipment, the spalding corporation wants to estimate the proportion of golfers who are left-handed. how many golfers must be surveyed if we want 99% confidence that the sample proportion has a margin of error of 0.025? assume that a previous study suggests that 20% of golfers are left-handed.

Will bought 3 college textbooks. one cost 32$, one cost 45$, and one cost 39$. what is the average price of his book?