Solve. Round your answer to three decimal places if necessary.31 + 2x = 27
A. -1
B. 3
C. 1
D. 9
Answer: C
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Solve the application by adding or subtracting appropriately. Answer with a complete sentence.In a practice run, a race car driver's speed is clocked at 139.072 mph at the end of her first lap, and at 164.418 mph at the end of the next lap. How much faster was she driving at the end of the second lap?
A. At the end of the second lap she was driving 25.356 miles per hour faster. B. At the end of the second lap she was driving 25.246 miles per hour faster. C. At the end of the second lap she was driving 25.346 miles per hour faster. D. At the end of the second lap she was driving 26.346 miles per hour faster.
Match each graph with its corresponding function. ? Choose the correct letter for each question. ?
A.
B.
C.
Multiply.
? 
A. 
B. 
C. 
D. 
Determine the real solutions to the system of nonlinear equations.xy - x2 = -20x - 2y = 3
A. (5, 1), 
B. (5, 1), 
C. (-5, -1), 
D. (-5, -1), 