Combine like terms.- 
+ 12x2y + 
x2y - 16 + 
x2y
A. 
x2y
B. 
x2y - 11
C. 
x2y - 
D. 
x2y + 11
Answer: C
Mathematics
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Find the derivative of y with respect to x.y = tan-1 (ln 3x)
A. 
B. 
C. 
D. 
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Find the present value of the future value.$2000, invested for 9 years at 5% compounded monthly
A. $3088.69 B. $3133.69 C. $1321.45 D. $1276.45
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Perform the indicated operation and simplify.
+ 
+ 4
A. 
B. 
C. 
D. 
Mathematics
Solve.If an earthquake measured 8.3 on the Richter scale, what was the intensity of the earthquake in terms of I0? The magnitude on the Richter scale of an earthquake of intensity I is 
A. 4020? I0 B. 199,526,231 ? I0 C. 19,952,623? I0 D. 158,489,319? I0
Mathematics