Bob needs to buy a cover for his above ground pool. The pool is in the shape of a circle and has a diameter of 18 feet. Pool covers cost $0.75 per square foot. How much should bob expect to spend on a pool cover? Will mark brainliest

can you add an image ?

step-by-step explanation:

50-60=10

step-by-step explanation:

answer: correct choices are 1, 3 and 5

step-by-step explanation:

c.

step-by-step explanation: it's not a. because 1/3 x 1/3 x 1/3 = 1/27 so that's not correct. | b. is also not correct because 7 x 7 1/3 is not actually 3 x 7 1/3 . and for d. multiplications are not additions so that left you with c. ( hope this out : d )