Solve the problem.Suppose that y is directly proportional to x and that y = 40 when x = 8. Find the constant of proportionality k. Then use y = kx to find y when x = 17.
A. k = 320; y = 
B. k = - 5; y = - 85
C. k = 5; y = 85
D. k = 7; y = 119
Answer: C
Mathematics
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= 3
A. -3 B. 30 C. 1 D. 5
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Provide an appropriate response.Write the steps you would use to solve this equation: 2(x - 1) + 3x = -8x.
What will be an ideal response?
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Estimate the quotient by first rounding each number as indicated.197.63 ÷ 53.5; Estimate by first rounding each number to the nearest ten.
A. 4 B. 0.4 C. 6 D. 40
Mathematics