Solve the problem.Suppose that z varies jointly with x and y and that z = 594 when x = 9 and 
Find the constant of proportionality k. Then, find z when x = 6 and 
A. k = 5.8; z = 313.2
B. k = 5.5; z = 297
C. k = 64,152; z = 1188
D. k = 5.3; z = 286.2
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Simplify the expression.
A. 
B. 17
C. 
D. 73
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Factor.x4 - 6x2 - 16
A. (x2 + 2)(x2 + 8) B. (x2 - 2)(x2 + 8) C. (x2 - 2)(x2 - 8) D. (x2 + 2)(x2 - 8)
Mathematics
Solve.y = 
A. y = 5 B. y = 2 C. no solution D. y = 5 or y = -3
Mathematics