Solve the system by graphing.x + y = 65x - y = 30

A. {(6, 0)}
B. {(0, 6)}
C. {(0, 5)}
D. {(6, 5)}


Answer: A

Mathematics

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Which fraction appears in the partial fraction decomposition of   ? ?

A.
B.
C.
D.
E. none of these

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Provide an appropriate response.If an investor purchased 50 shares of Pearson Education stock at $85 per share, 90 shares at $105 per share, 120 shares at $110 per share and another 75 shares at $130 per share. What is the mean cost per share?

A. $110.25 B. $109.40 C. $130.50 D. $105.50

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Simplify the expression. Write the result using positive exponents only.

A.
B.
C.
D.

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Find the constant of variation and construct the function that is expressed in each statement.y varies directly as x: y = 36, when x = 16

A. y = 2.25x B. y = 36x C. y = 0.44x D. y = 2.25y

Mathematics