Simplify the rational expression.
A. 
B. 
C. 30r2s
D. 
Answer: A
Mathematics
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 
ln 2 ln cos 7
B. - 
ln 2 ln cos 7
C. 9 ln 2 ln cos 7
D. - 9 ln 2 ln cos 7
Mathematics
Use a calculator to give the value to the nearest degree.? = sin-1(0.6561)
A. 41° B. 39° C. 44° D. -41°
Mathematics
Solve and check.
= 
A. x = 4
B. x = 68
C. x = 
D. x = 2412
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors. log9
A. log9y - log911 - 
log9x
B. log911 ? 
log9m ÷ log9y
C. log911 + 
log9x - log9y
D. log9(11
) - log9y
Mathematics