Find an equation of variation in which y varies inversely as x and the following is true.y = 0.625, when x = 8
A. y = 
B. y = 5x
C. y = 
D. y = 
Answer: D
Mathematics
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Find the value of the expression.17 + 16 × 25 - (-13)
A. 71 B. 430 C. 838 D. 812
Mathematics
Divide using the quotient rule for exponents. Write the result with positive exponents. Assume that variables in the denominator are not equal to 0. 
A. 6x4y8 B. 2x2y8 C. 2x4y7 D. 2x4y8
Mathematics
Solve the equation.5(x - 1.1) = 9.3
A. 2.96 B. 14.8 C. 1.64 D. 2.08
Mathematics
Match the system of equations with one of the graphs.x2 - y2 = 9x - 3 = 6y
A. 
B. 
C. 
D. 
Mathematics