Simplify the expression. Assume that all variables are positive when they appear.10
? 11
A. 110
B. 110
? 
C. 110
D. 21
Answer: A
Mathematics
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Determine whether the two pairs of numbers are proportional.60, 18 and 110, 27
A. Yes B. No
Mathematics
Evaluate the integral.
2x dx
A. 
sec 2x tan 2x + 
ln
+ C
B. 
sec2 2x tan 2x + 
ln
+ C
C. 
sec 2x tan 2x + 
ln
+ C
D. 
sec 2x tan 2x - 
ln
+ C
Mathematics
Match the system of inequalities with one of the graphs.x2 + y2 ? 49x + y > 3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer, as needed.The distance of an object from a fulcrum is given by d = 
. Find D if d = 7, w = 11, and W = 10.
A. 15.714 B. 0.064 C. 0.157 D. 7.7
Mathematics