Determine the exact value of the 
of the quadrant angle 
.
A. 
B. 
C. 
D. 0
E. undefined
Answer: E
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 8csc x, y = 0, x = 
, x = 
A. 64? B. 128? C. 16? D. 192?
Solve the system of equations by the substitution method.
A. (-20, 5) B. (5, -20) C. infinite number of solutions D. no solution
Solve the problem.A piece of rectangular sheet metal is 21 inches wide. It is to be made into a rain gutter by turning up equal edges to form parallel sides. Let x represent the length of each of the parallel sides. For what value of x will the area of the cross section be a maximum (and thus maximize the amount of water that the gutter will hold)? If necessary, round to 2 decimal places.
A. 84 in. B. 42 in. C. 5.25 in. D. 10.5 in.
Find the discount period.Loan made: April 23Length of loan: 180 daysDate of discount: July 19
A. 86 days B. 94 days C. 93 days D. 87 days