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
Answer: C
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A. (-4, 0), (-1, 0); -4, -1 B. (-4, 0), (1, 0); -4, 1 C. (-1, 0), (4, 0); -1, 4 D. (4, 0), (1, 0); 4, 1
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A. Fallacy of the converse; invalid B. Law of detachment; valid C. Law of contraposition; valid D. Fallacy of the inverse; invalid
Find the absolute maximum and minimum values of the function on the given curve.Function: 
curve: 
(Use the parametric equations 
A. Absolute maximum: 7 at 
absolute minimum: - 14 at 
B. Absolute maximum: 14 at 
absolute minimum: - 7 at 
C. Absolute maximum: 14 at 
absolute minimum: - 14 at 
D. Absolute maximum: 7 at 
absolute minimum: - 7 at 
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A. 120y B. -23y2 C. 23y D. -23y