Solve the problem.If n(A ? B) = 56, n(A ? B) = 10, and n(A) = n(B), find n(A).
A. 5
B. 28
C. 33
D. 23
Answer: C
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Choose the polar equation that matches the graph.
A. r = sin ? + sin2 ? B. r = ? cos ? C. r = ? sin ? D. r = cos ? + cos2 ?
Add and simplify. If the answer is an improper fraction, write it as a mixed number.
+ 
A. 
B. 
C. 
D. 
Solve the problem.George and Matt have a painting business. George has less experience and it takes him 4 hours more to paint a medium sized room than it takes Matt. Working together they can paint a medium sized room in 5 hours. How long does it take each of them working individually? Round to the nearest tenth of an hour.
A. George: 11.6 hr, Matt: 7.6 hr B. George: 13.1 hr, Matt: 9.1 hr C. George: 12.4 hr, Matt: 8.4 hr D. George: 10.9 hr, Matt: 6.9 hr
Evaluate the definite integral.
A. - 
B. ln 2
C. ln 
D. 