Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the coordinate axes, the curve y = ex, and the line x = ln 8 about the line x = ln 8.
A. 2?(8 - ln 9)
B. 2?(7 + ln 8)
C. 2?(7 - ln 8)
D. 2?(8 - ln 8)
Answer: C
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 7t - 7 sin t, y = 7 - 7 cos t, -2? ? t ? 2?
A. 
B. 
C. 
D. 
Determine whether the statement is true or false.Let A = {1, 3, 5, 7} B = {5, 6, 7, 8} C = {5, 8} D = {2, 5, 8} U = {1, 2, 3, 4, 5, 6, 7, 8}? ? A
A. True B. False
Perform the indicated operations.Estimate by rounding to the nearest thousand, then find the actual sum.
A. Estimate: 49,000 Actual: 47,615 B. Estimate: 47,000 Actual: 48,364 C. Estimate: 47,000 Actual: 47,639 D. Estimate: 48,000 Actual: 47,645
Solve the problem.Two people are carrying a box. One person exerts a force of 129 pounds at an angle of 49.4° with the horizontal. The other person exerts a force of 98 pounds at an angle of 52.4°. Find the weight of the box.
A. 227 lb B. 104 lb C. 266 lb D. 177 lb