If the area of the circle below is 18 ft2, what is the area of the shaded sector? A. 9 ft2
B. 6 ft2
C. 4.5 ft2
D. 13.5 ft2

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y