Translate the problem situation to a system of equations. Do not solve.The sum of two numbers is 86. Five times the smaller number minus twice the larger number is 171. What are the numbers?
A. x + y = 86; 5x - 2y = 171
B. x + y = 86; 2x - 5y = 171
C. x - y = 86; 5x + 2y = 171
D. x + y = 86; 5x + 2y = 171
Answer: A
Mathematics
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A. continuous on the interval 
B. continuous on the interval 
C. continuous on the interval 
D. 
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A. 
, 0
B. - 
, 0
C. ± 
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