Simplify. Assume all variables represent nonnegative values.
A. 4a
B. 4a2
C. 4
D. 256a
Answer: A
Mathematics
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Simplify the expression by rationalizing the denominator.
A. 
B. 
C. 
D. 
Mathematics
Multiply. Simplify, if necessary.
? 
A. - 
B. 
C. - 3
D. - 
Mathematics
Select the graph of the function: 
a. 
b. 
c. 
d. 
Mathematics
The table shown was generated by a graphics calculator. The expression y1 represents f(x).
All the points lie on a straight line. What is the slope of the line?
A. - 
B. -2
C. -3
D. 2
Mathematics