Eighty-one
is to nine Forty-nine is to​

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

6.3x+14 and 1.5x-6 answer in simplified form

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?