Perform the indicated operation. Simplify the result.
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the spherical coordinate integral.
A. 12?2 B. 12? C. 9? D. 9?2
Mathematics
Graph the function.F(x) = 
A. 
B. 
C. 
D. 
Mathematics
Evaluate f(x) at the given value of x.f(x) = 6x - 1.4; x = -2.2
A. -15.6 B. -14.6 C. 14.6 D. -11.8
Mathematics
Solve.The formula for the area of a trapezoid is A = 
(b + B)h. Solve the formula for h. Use this formula to find the height of the trapezoid if the area, A, is 50 square meters, and the bases, b and B, are 12 meters and 13 meters.
A. h = 4 meters
B. h = 37
meters
C. h = 156 meters
D. h = 12
meters
Mathematics