Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. x6
B. - 
C. -x6
D. 
Answer: D
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Solve the problem.The number of traffic accidents has been decreasing in a certain county each year. The data is shown in the table for several recent years. The set of data can be approximated with a linear equation.
Find an equation of the line.
A. y = -78x + 625 B. y = -78x + 615 C. y = 78x + 625 D. y = -88x + 625
Solve the system by the elimination method or a combination of the elimination and substitution methods.x2 + 2xy + y2 = 9x2 + 2xy - y2 = -9
A. {(0, 3), (0, -3), (6, 3), (6, -3)} B. {(0, 3), (0, -3), (-6, 3), (6, -3)} C. {(0, 3), (0, -3), (6, 3), (-6, -3)} D. {(0, 3), (0, -3), (-6, 3), (-6, -3)}
Is the following correspondence a function?
A. Yes B. No
Translate the problem to a system of equations, then solve using Cramer's Rule.During the 2001-2002 Little League season, the Tigers played 62 games. They won 18 more games than they lost. How many games did they lose that season?
A. 40 games B. 20 games C. 25 games D. 22 games