Solve the problem.Working together, Rick and Juanita can complete a job in 6 hours. It would take Rick 9 hours longer than Juanita to do the job alone. How long would it take Juanita alone?

A. 9 hr
B. 6 hr
C. 3 hr
D. 15 hr


Answer: A

Mathematics

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B.
C.
D.

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Decide whether or not the radical expression represents a real number.

A. Yes B. No

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Solve the problem.Given that P(A) = 0.42, P(B) = 0.50, and P(A ? B) = 0.07, find P(A ? B).

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