285 + 617 = ⎕ + 620 wich number goes in the blank

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?

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x