Find the missing length to the nearest tenth.
A. c = 8.5 m
B. c = 3.3 m
C. c = 36.5 m
D. c = 73 m
Answer: A
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Solve the problem.The disk (x - 5)2 + y2 ? 1 is revolved about the y-axis to generate a torus. Find its volume. (Hint: 
= 
?, since it is the area of a semicircle of radius 1.)
A. 5?2
B. 5?
C. 10?2
D. 
?2
Find the second derivative of the function.r = 
(6 - ?)
A. 
= 
B. 
= - 
- 1
C. 
= 
- ?
D. 
= - 
- 1
Find all real roots of the given equation by using Newton's method.
+ 
= 
+ 
A. 1.5615528, -1 B. 1.5615528, -1, -2.5615528 C. -1 D. 1.5615528, -2.5615528
Use the circle graph to solve the problem.In a school survey, students showed these preferences for instructional materials. 
About how many students would you expect to prefer films in a school of 350 students?
A. About 20 students B. About 63 students C. About 42 students D. About 70 students