Add or subtract as indicated.
- 
A. x + 12
B. 
C. x - 7
D. 
Answer: D
Mathematics
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Find the area of the surface generated by revolving the curves about the indicated axis.x = 4 + cos t, y = sin t, 0 ? t ? 2?; y-axis
A. 12?2 B. 4?2 C. 16?2 D. 24?2
Mathematics
Find the 4th term in the binomial expansion.
?
?
Please enter your answer as a fraction.
What will be an ideal response?
Mathematics
Divide.
A. 9x2 + 24x - 5
B. 9x2 + 6x - 
C. 36x2 + 24x - 5
D. 9x + 6 - 
Mathematics
Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 41 feet wide and the canal is 1 feet deep at the center, how deep is it 5 feet from the edge?
A. 0.6 ft B. 0.2 ft C. 0.8 ft D. 0.4 ft
Mathematics