Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 78 ft
B. 156 ft
C. 12.5 ft
D. 13 ft
Answer: C
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
- 6x + 9 ln
- 
+ C
B. 
- 6x - 27 ln
+ 
+ C
C. 
- 6x + 27 ln
+ 
+ C
D. 27 ln
+ 
- 
+ C
Mathematics
Solve the problem.Evaluate 
at t = 
? for the function w = x2 - y2 + 6x; x = cost, y = sin t.
A. 2 B. 4 C. 8 D. -6
Mathematics
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Mathematics
Write in terms of i.
A. 5i
B. 5
C. -5i
D. -5
Mathematics