Solve by completing the square.x2 = 7 - 8x
A. -4 ± 
B. -4 ± 2
C. 4 + 
D. -1 ± 
Answer: A
Mathematics
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Solve the problem.The power P (in W) generated by a particular windmill is given by 
where V is the velocity of the wind (in mph). Find the instantaneous rate of change of power with respect to velocity when the velocity is 
A. 5.0 W/mph B. 2.3 W/mph C. 0.3 W/mph D. 10.7 W/mph
Mathematics
Read each combination value directly from Pascal's Triangle.
A. 90,720 B. 181,440 C. 1 D. 9
Mathematics
Simplify.(14x2)(0)
A. 1 B. 14x2 C. 14 D. 0
Mathematics
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below. 
Give the weight of the MST.
A. 79 B. 96 C. 89 D. 90 E. 111
Mathematics