Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(U) = 83, n(A) = 32, n(B) = 42, n(C) = 22, n(A ? B) = 5, n(A ? C) = 3, 
Find 
A. 25
B. 27
C. 2
D. 1
Answer: D
Mathematics
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Use a negative-angle identity to write an equivalent trigonometric expression involving a positive angle.tan 
A. tan 
B. 1 - tan 
C. cot 
D. -tan 
Mathematics
Solve the problem.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 35 miles per hour in 50 minutes, how fast must it travel to cover the same distance in 25 minutes?
A. 
miles per hour
B. 
miles per hour
C. 
miles per hour
D. 70 miles per hour
Mathematics
What is the side opposite ?B?
Mathematics
Solve the rational inequality. Write the solution in interval notation.
< 4
A. 
B. (-5, 4)
C. (-?, 4) ? 
D. ?
Mathematics