Solve the problem.A conical tank is resting on its apex. The height of the tank is 
, and the radius of its top is 
. The tank is full of gasoline weighing
How much work will it take to pump the gasoline to the top? Give your answer to the nearest ft ? lb.
A. 23,562 ft ? lb
B. 942 ft ? lb
C. 2,945,243 ft ? lb
D. 4712 ft ? lb
Answer: D
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Identify the set as finite or infinite.{x | x is a fraction between 63 and 64}
A. Infinite B. Finite
Decide if the situation is a permutation or a combination and then answer the question.In how many ways can 6 people line up for concert tickets?
A. Permutation; 720 B. Combination; 1 C. Permutation; 6 D. Combination; 46,656
Multiply. Write the answer as a mixed number as needed.2 × 5
A. 10
B. 10
C. 9
D. 10
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 4 cos (3t)
A. simple harmonic; 4 m; 3 ? sec; 
oscillations/sec
B. simple harmonic; 4 m; 
? sec; 
oscillations/sec
C. simple harmonic; 4 m; 
sec; 
? oscillations/sec
D. simple harmonic; -4 m; 
? sec; 
oscillations/sec