consumer math help?

Question

9: Find the price of 28 3/4 pounds of meat at 82 1/2 cents a pound.
$22.17
$25.67
$25.43
$23.72


18: Find the area of a sphere 9" in diameter.
243.18 sq. in
267.33 sq. in
274.4 sq. in
254.34 sq. in


19: Find the volume of a cone having radius 5", altitude 12", and slant height 13".
314.3 cu. inches
343.5 cu. inches
360.25 cu. inches
303.5 cu. inches


20: Find the lateral area of a square pyramid if each edge of the base is 14", the altitude is 24", and the slant height is 25".
650 sq. in
680 sq. in
700 sq. in
725 sq. in

Answer 1

9. (28.75)(82.5) = ?
10. r = 9/2, A = (4π/3)r^3 = [(4)(9/2)^3(π)]/3
11. V = πr²h = π(25)(12)
12. A = 4(side)
(side) = (1/2)bh, where b = 14 and h = 25

Answer 2

9.)$23.72
18.)There is no area in a sphere(maybe surface area)
19.)343.5
20.)700
=)

Answer 3

can you be any more obvious about you being too lazy to do your own homework?