Sphere: If r = radius, then
and Surface Area = 4πr^2.
Pyramid: If B = area of the base and h = height, then
1 . If a + b = 10 and both a and b are positive integers, what is the largest
possible value for a?
(A) 6
(B) 7
(C) 8
(D) 9
(E) 10
2 . If 2x + y = 2y – x, then y =
(A) 3 x
(B) 4 x
(C) 2 x + 2
(D) 3 x + 1
(E) 4 x + 1