Simplify the radical expression by factoring out the largest perfect nth power. 
A. 6
B. -6
C. -6
D. Not a real number
Answer: D
Mathematics
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Round off a measurement of 1005mL to three significant digits.
A. 1000mL
B. 10
0mL
C. 1100mL
D. 1010mL
Mathematics
Solve the inequality. Express your answer using interval notation.-4x + 7 ? -5x + 2
A. (-?, -5)
B. (-?, -5]
C. [-5, ?)
D. (9, ?)
Mathematics
Solve the problem.At SuperStop, gasoline costs 
per gallon when you pay with a credit card, 
per gallon less when you pay with cash. How much do you save by filling up a 14-gallon tank if you are paying cash?
A. $15.82 B. $11.20 C. $16.94 D. $1.12
Mathematics
Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. The inverse does not exist.
Mathematics