Simplify the expression.4(3x - 5) + 5x
A. 17x + 20
B. 17x - 20
C. 7x - 20
D. 7x + 20
Answer: B
Mathematics
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Solve.If y varies directly as x, and y = 200 when x = 75, find y when x = 30.
A. 500
B. 
C. 80
D. 
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Solve the problem.A young woman wins $150,000 and buys 5 new cars. She chooses from cars that are priced at $40,000, $30,000, and $25,000 and spends all of the money. How many $25,000 cars did she buy?
A. 6 B. 0 C. 0 or 2 D. 0, 1, 2, or 3
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Find the difference.
- 
A. - 3
B. 
C. 3
D. - 
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Solve the system of equations by the substitution method.5x - 6y = 2 - 5x2x + 6y = x + 5y + -3
A. {(-1, 2)}
B. {(-1, -2)}
C. {(0, 2)}
D. 
Mathematics