Evaluate the expression below.
?
4-1
?
A. 
?
B.
?C. 4
D.
?E. 1024
Answer: A
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Solve the problem.Find the volume generated by revolving the curve y = cos 3x about the x-axis, 0 ? x ? ?/36
A. 
+ 
B. 
+ 
C. 
D. 
+ 
Solve the problem.To find the distance AB across a river, a distance BC = 1101 m is laid off on one side of the river. It is found that B = 112.8° and C = 12.0°. Find AB rounded to the nearest meter.
A. 279 m B. 282 m C. 230 m D. 233 m
Perform the operation. Write the answer as a fraction in lowest terms. 
+ 
A. 
B. 
C. 
D. 
Provide an appropriate response.Suppose a truck costing $36,000 is to be replaced at the end of 10 years, at which time it will have a resale value of $12,000. In order to provide money at the time for a new truck costing $40,000, a sinking fund is set up into which equal payments are placed at the end of every six months. If the fund earns 6% compounded semiannually, what should each payment be?
Fill in the blank(s) with the appropriate word(s).