Solve the problem.When Paula set off to drive to her friend's house, the odometer read 7923.6 miles. When she arrived at her friend's house, the odometer read 8046.5 miles. How far had she driven?
A. 132.9 mi
B. 123.0 mi
C. 122.9 mi
D. 123.9 mi
Answer: C
Mathematics
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Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x - 1)2 - 1
A. (1, -1), down B. (0, -1), up C. (-1, 0), up D. (1, 1), down
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Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
? 0
A. 
B. 
C. 
or (3, ?)
D. 
Mathematics
Solve for x.5-x = 
A. x = -2
B. x = 2
C. x = 
D. x = 
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Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. - 
B. 
C. -x2
D. x2
Mathematics