Use the properties of exponents to determine the value for x that makes the equation true.
?
?
A. 
B. -21
C. 
D. 21
E. 
Answer: A
Mathematics
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Calculate the Huntington-Hill number.City A: population 4800, 12 representatives
A. 147,692.408 B. 147,702.308 C. 147,693.308 D. 147,692.308
Mathematics
Solve the problem.The distance from the downtown station to the last stop on a commuter railroad line is 28.6 miles. The distance between stops is about 2.2 miles. How many stops are there?
A. 12 stops B. 14 stops C. 13 stops D. 6 stops
Mathematics
The graph of a one-to-one function is given. Draw the graph of the inverse function f-1. For convenience, the graph of 
is also give.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.(-4)-2
A. - 
B. -16
C. 
D. 16
Mathematics