Simplify the expression by using the properties of radicals. Assume nonnegative variables.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Convert the angle to decimal degrees and round to the nearest thousandth of a degree.81°17'50''
A. 81.357 B. 81.297 C. 81.307 D. 81.257
Mathematics
Use the right triangle shown below and find the missing length. Give an exact answer and a decimal approximation rounded to two decimal places. 
a = 11, b = 3
A. c = -
? -11.40
B. c = 
? 11.40
C. c = 99
D. c = 130
Mathematics
Match the system of equations with one of the graphs.y= x2 - 3x - 23y - x = 3
A. 
B. 
C. 
D. 
Mathematics
Find the root. 
A. Not a real number B. 48.6 C. 3 D. 4
Mathematics