Find the surface area or volume.Use substitution and a table of integrals to find, to two decimal places, the area of the surface generated by revolving the curve 
about the x-axis.
A. 10,148.47
B. 11,342.93
C. 12,238.78
D. 9376.82
Answer: D
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Given a group of students: 
or 
list and count the different ways of choosing the following officers or representatives for student congress. Assume that no one can hold more than one office.Three representatives, if two must be male and one must be female
A. ACB, ACD, AEB, AED, CEB, CED, DEC, BEC, DEA, BEA, DCA, BCA; 12 B. ACB, ACD, AEB, AED; 4 C. ACB, ACD, AEB, AED, CEB, CED; 6 D. ABC, CDE; 2
Evaluate the integral.
A. 
B. 624
C. 156
D. 72
Solve the equation for solutions in the interval [0°, 360°). Round to the nearest degree.cot 
= 1
A. {135°} B. {0°, 90°, 180°, 270°} C. {0°, 45°, 90°, 180°, 225°, 270°, 315°} D. {33°, 57°, 123°, 147°, 213°, 237°, 303°}
Find ? to the nearest tenth of a degree if cos?= -0.5616 and sin?<0.
What will be an ideal response?