Perform the indicated operation.
+ 28
A. -8
B. -64
C. 64
D. 8
Answer: C
Mathematics
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Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
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Use the vertical line test to determine whether the graph represents a function.
A. not a function B. function
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Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.
(log7 (r - 1) - log7 r)
A. log7 
B. log7 
C. log7 
D. log7 
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Solve the problem.Jill is 10 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 2 hours. How fast is Joe walking?
A. 3 kilometers per hour B. 5 kilometers per hour C. 2 kilometers per hour D. 4 kilometers per hour
Mathematics