Solve the problem.The surface area (in cm2) of a cylindrical can with height 8 cm and a radius r can be approximated by 
What is the surface area when the radius is 3 cm? Round the answer to two decimal places when necessary.
A. 207.27
B. 56.52
C. 150.75
D. 471.09
Answer: A
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Use a calculator to give the real number value. Round the answer to 7 decimal places.y = sin-1(-0.4848)
A. -0.5412698 B. 2.6365103 C. -0.5061345 D. -0.4888889
Determine if the vertex of the graph is a maximum point or a minimum point.y = -x2 + 4
A. Maximum B. Minimum
Divide.796 ÷ 20.0
A. 39.8 B. 398 C. 40.8 D. 3.98
Solve the problem.Among a group of 85 investors, 27 owned shares of Stock A, 34 owned shares of Stock B, 44 owned shares of Stock C, 12 owned shares of both Stock A and Stock B, 13 owned shares of Stock A and Stock C, 18 owned shares of Stock B and Stock C, and 8 owned shares of all three. How many investors did not have shares in any of the three? How many owned shares of either Stock A or Stock C but not Stock B?
A. 23; 31 B. 15; 31 C. 15; 36 D. 15; 39