Simplify.
+ 120.2 ÷ 2(2.3 - 6.6)
A. -264.37
B. -253.36
C. -252.35
D. -258.36
Answer: D
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Find the surface area or volume.The region between the curve y = sinx, 0 ? x ? 1.0, and the x-axis is revolved about the x-axis to generate a solid. Use a table of integrals to find, to two decimal places, the volume of the solid generated.
A. 0.91 B. 0.87 C. 0.82 D. 0.86
Evaluate the exponential expression.4 ? 103
A. 4000 B. 40 C. 4 D. 40,000
Solve the problem. Round your answer to the nearest tenth, when appropriate.The position of an object moving in a straight line is given by s(t) = 2t2 - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long will it take the object to move 13 m?
A. 14.0 sec B. 3.2 sec C. 29.9 sec D. 3.4 sec
Solve. Remember to insert units when writing your answer.The total pages of a hardbound book are 3.3 cm thick. The front and back covers are each 
thick. How high would a stack of 7 of these books be?
A. 25.76 cm B. 3.68 cm C. 49.7 cm D. 24.43 cm