Find an equation of variation in which the following are true.y varies jointly as x and z, and y = 54 when x = 3 and z = 6
A. y = 
B. y = 18x
C. y = 3xz
D. y = 5xz
Answer: C
Mathematics
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Mathematics
The wages of the employees of a company are presented in this histogram. Answer the question.
How many employees are there in the company?
A. 128 B. 148 C. 46 D. 150
Mathematics
Solve the linear equation.-4(2x + 5) - 1 = -5(x + 5) + 2x
A. 
B. 
C. 
D. 
Mathematics