Simplify. Assume that each variable is nonnegative.
A. 
B. 
C. 13
D. 
Answer: D
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 1, x = 7
A. ?(ln 7)
B. 
?
C. 
(ln 7)
D. 
Mathematics
Express as a single logarithm and, if possible, simplify.
ln 4y6 - 
ln 2m15
A. ln 
B. 8 ln (ym90)
C. 
ln (8 ym90)
D. ln 
Mathematics
Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.sec ? = - 
, sin ? > 0 Find tan 2?.
A. 
B. 
C. 
D. 
Mathematics
Use the power rules for exponents to simplify the expression. Write the answer in exponential form.
7
A. 
B. 177
C. 
D. 
Mathematics