Simplify the exponential expression.(x9y)3
A. x12y
B. x27y3
C. x27y
D. x12y4
Answer: B
Mathematics
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Factor completely. If the polynomial cannot be factored, say it is prime.5x2 - 5x - 30
A. (5x + 10)(x - 3) B. 5(x + 2)(x - 3) C. 5(x - 2)(x + 3) D. prime
Mathematics
Find the LCD for the given fractions.
and 
A. 336 B. 1344 C. 224 D. 672
Mathematics
Determine the integral by making an appropriate substitution.
Enter your answer with any coefficients in front as integers or reduced fractions of form 
.
What will be an ideal response?
Mathematics
Use the exponential decay formula to find the final amount. Round to the nearest whole.
A. 68 B. 162 C. 126 D. 93
Mathematics