Solve the problem.The surface area S of a sphere with radius r is given by the formula 
If a sphere has surface area 
square inches, what is its radius?
A. 81 in.
B. 9 in.
C. 18 in.
D. 9? in.
Answer: B
You might also like to view...
Write the percent as a decimal.5.7%
A. 0.057 B. 5.7 C. 0.57 D. 57.0
Solve the problem.The outside of a picture frame has a length which is 3 cm more than width. The area enclosed by the outside of the picture frame is 154 square cm. Find the width of the outside of the picture frame.
A. 14 cm B. 11 cm C. 17 cm D. 12 cm
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = 2x2 + 8x + 0
A. Increasing on (2, ?); decreasing on (-?, 2) B. Increasing on (-4, ?); decreasing on (-?, -4) C. Increasing on (8, ?); decreasing on (-?, 8) D. Increasing on (-2, ?); decreasing on (-?, -2)
Let U = {q, r, s, t, u, v, w, x, y, z}; A = {q, s, u, w, y}; 
and 
List the members of the indicated set, using set braces.C' ? A'
A. {q, r, s, t, u, v, x, z} B. {r, t} C. {w, y} D. {q, s, u, v, w, x, y, z}