Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
Answer: B
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Add or subtract and simplify.
- 
A. 
B. 
C. 
D. 
Solve the problem.The number of enrollees in health maintenance organizations (HMOs) in Illinois in a recent year was 2,418,130. This was a 40.6% increase over the previous year. What was the former number of enrollees?
A. 171,986 enrollees B. 687,946 enrollees C. 3440 enrollees D. 1,719,865 enrollees
Use a proportion to solve the problem.A company guideline states that meeting rooms should provide 17 square feet of space for each meeting attendee. If a meeting room is 13 feet by 11 feet, how many attendees can it accommodate?
A. 28 attendees B. 9 attendees C. 8 attendees D. 18 attendees
Solve graphically.x - y = 4y = -3x
A. (-1, 3) B. Infinitely many solutions C. No solution D. (1, -3)