Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. sin ? = 0.23
A. 13°
B. 16.0°
C. 13.0°
D. 16°
Answer: A
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Provide an appropriate response.The region shown here is to be revolved about the x-axis to generate a solid. Which of the methods (disk, washer, shell) could you use to find the volume of the solid? How many integrals would be required in each case? x = - y2 
What will be an ideal response?
Solve the problem. 158 in.
Four posts are used to support a fence. Each post is 4 inches wide and the posts are evenly spaced. If the width of the fence is 158 inches, how much space is between each post?
A. 31
inches
B. 39
inches
C. 47
inches
D. 30
inches
Graph the inequality.y ? x - 4
A. 
B. 
C. 
D. 
Calculate the arc length of the indicated portion of the curve r(t).r(t) = (7 - 9t)i + (4 + 2t)j + (6t - 2)k, -2 ? t ? 10
A. 88 B. 132 C. 968 D. 1452