Write the expression using a single radical sign. Assume that all variables represent positive real numbers. Simplify the radicand if possible.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Perform the following operation and write the result in lowest terms. - 9
+ 1
A. 7
B. -8
C. 7
D. - 7
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature its lowest?
A. 1 p.m. B. 4 p.m. C. 6 p.m. D. 9 a.m.
Mathematics
Evaluate the absolute value expression.
+ 
A. 10 B. 4 C. -10 D. -4
Mathematics
Multiply.- 
A. 
B. - 
C. 
D. - 1
Mathematics