The area of a circle is the number of square units inside the circle. is this true or false? explain why?

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar