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
Mathematics
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
Mathematics
Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
Mathematics
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