Simplify. Write the result with positive exponents only.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the integral.
A. 196? B. 147? C. 98? D. 294?
Mathematics
Solve the problem.Last year, Susan's average telephone bill was $149.68. In October, her telephone bill was $181.19. How much more than last year's average was the October bill?
A. $21.51 B. $31.61 C. $31.51 D. $32.51
Mathematics
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 4x + 12
A. Increasing on (2, ?); decreasing on (-?, 2) B. Increasing on (-?, - 2); decreasing on (- 2, ?) C. Increasing on (-?, 2); decreasing on (2, ?) D. Increasing on (- 2, ?); decreasing on (-?, - 2)
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 11
B. 11
C. 
D. 
Mathematics