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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A delivery truck must deliver packages to 5 different store locations (A, B, C, D, and E). The trip must start and end at D. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
The cheapest-link tour starting with vertex D is given by:
A. D, C, A, B, E, D. B. D, E, A, B, C, D. C. D, B, E, C, A, D. D. D, A, B, E, C, D. E. none of these
What will be an ideal response?
Write the number in the sentence in words.The control center was suddenly unable to track the satellite when it reached a distance of 128,615 miles from the earth's surface.
A. six hundred fifteen thousand, one hundred twenty-eight B. one hundred twenty-eight thousand, six hundred fifteen C. one hundred twenty thousand, eighty-six hundred, fifteen D. one hundred twenty-eight million, six hundred fifteen
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(2.8), the velocity of the object at time 
A. V(2.8) = 100.9 feet per second B. V(2.8) = 98.9 feet per second C. V(2.8) = 99.6 feet per second D. V(2.8) = 97.6 feet per second