Match the data to the graph with the closest correlation coefficient.

A. r ? 0.04

B. r ? 0.87

C. r ? 0.97

D. r ? -0.99


Answer: A

Mathematics

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Determine if the given function y = f(x) is a solution of the accompanying differential equation.y' = - y2y = 

A. Yes B. No

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Solve the problem.Sue is going to invest some money at simple interest at the rate of 4%. How long will it take for the investment to double?

A. 300 years B. 12.5 years C. 25 years D. Impossible. Not enough information

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Multiply. Do not simplify.

A.
B.
C.
D.

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For the given amounts A and B, find the requested percent of change. Round to the nearest whole percent if necessary.A = $1.80, B = $2.50Find the percent change if B changes to A.

A. 14% B. 28% C. -28% D. -14%

Mathematics