Rewrite the radical expression using rational exponents. Assume all variables represent nonnegative real numbers.
A. -x2/9
B. x-2/9
C. x-9/2
D. x9/2
Answer: D
Mathematics
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Make the following conversion between the U.S. and metric systems.4 m2 = 
ft2
A. 13.2 ft2 B. 12 ft2 C. 43.0 ft2 D. 36 ft2
Mathematics
Identify the abuse of statistics.The graph shows the increases in a certain expenditure over a four-year period. What is wrong with the graph? 
What will be an ideal response?
Mathematics
Simplify.
A. 
B. 
C. 15v2w
D. 
Mathematics
Use a calculator to evaluate an ordinary annuity formula for m = $90, r = 7%, and t = 5 yr. Assume monthly payments.
?
?
A. $6,210.80 B. $7,821.77 C. $7,011.04 D. $6,443.36 E. $7,469.65
Mathematics