Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0
B. -12
C. 1
D. -4
Answer: C
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Solve the problem.A caterer uses special stacking ovens to prepare large amounts of food. Find the total number of servings that can be prepared in one hour.Cookies: 18 servings per panNumber of pans per oven: 6Pan changes per hour: 6Number of ovens: 4
A. 648 servings B. 2542 servings C. 2592 servings D. 432 servings
Simplify the expression.(m7)1
A. m8 B. m1 C. m7 D. m6
Solve.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 80 mph B. 40 mph C. 20 mph D. 50 mph
Answer the question.Dimitri walked a distance of 2 miles to deliver a storage box. He stopped every 
mile to rest. How many times did Dimitri stop?
A. 7 times B. 5 times C. 9 times D. 6 times