Simplify the exponential expression.
A. 9xy8
B. 9x39y8
C. 63xy8
D. 9xy2
Answer: A
Mathematics
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Convert the angle to decimal degrees and round to the nearest hundredth of a degree.82°54'40''
A. 82.87° B. 82.97° C. 82.91° D. 82.92°
Mathematics
Perform the indicated operation and express the answer in simplest form.
A. 4 
+ 19 
+ 5 
B. 4 
- 5 
C. 4 
- 19 
+ 5 
D. 4 
+ 19 
- 5 
Mathematics
Use the information given in the figure.
How many are in A and B and C?
A. 10 B. 79 C. 89 D. 2
Mathematics
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(6, -7), (11, -6), (9, -5), (7, -4)}
A. {(7, 6), (6, 11), (-5, 9), (-4, 7)} B. {(-7, 6), (-6, 11), (-5, 9), (-4, 7)} C. {(6, -7), (11, -6), (9, -5), (7, -4)} D. Not one-to-one
Mathematics