Solve the problem.If f varies jointly as q2 and h, and f = -64 when q = 4 and h = -2, find k.
A. k = 3
B. k = 4
C. k = -2
D. k = 2
Answer: D
Mathematics
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Find the area.
A. 225 m2 B. 60 m2 C. 112.5 m2 D. 30 m2
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Solve the system of equations.x -y + 5z = -75x+ z = -1x + 3y +z = 5
A. (-1, 0, 2) B. (2, 0, -1) C. (-1, 2, 0) D. (0, 2, -1)
Mathematics
Perform the indicated operation or operations.-4 + 7 + (-7) + 17
A. 35 B. 13 C. -21 D. -7
Mathematics
Graph the circle 
with your graphing calculator. Use the feature on your calculator that allows you to evaluate a function from the graph to find the coordinates of all points on the circle that have the given x-coordinate.
?
?
A. 
, 
B. 
, 
C. 
, 
D. 
E. 
, 
Mathematics