Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Answer: D
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Find ?y for the given values of x1 and x2.y = 4x + 3; x1 = 4.5, x2 = 4
A. 2 B. 4 C. -2 D. -8
Simplify.
A. 0 B. ±8 C. 8 D. -8
Determine whether the data represent direct variation, inverse variation, or neither.
A. Neither B. Inverse C. Direct
Solve the problem.The table lists the average monthly temperatures of two cities for January through June of last year.
Find Central's median temperature for this time period and Naborly's median temperature for this time period. How much warmer is Naborly than Central? Round answers to the nearest whole degree.
A. Central: 48 Naborly: 56 8 degrees warmer B. Central: 55 Naborly: 48 7 degrees warmer C. Central: 48 Naborly: 70 22 degrees warmer D. Central: 48 Naborly: 55 7 degrees warmer