Solve the problem. Round your answer to the nearest tenth, if necessary.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in . How long does it take each of them working alone?

A. Paul: 8.3 hr; Ron: 10.3 hr
B. Paul: 10 hr; Ron: 12 hr
C. Paul: 9.1 hr; Ron: 11.1 hr
D. Paul: 8 hr; Ron: 10 hr


Answer: C

Mathematics

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Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.5y = 35 - 8x2x = 65 - 5y

A. {(-5, 15)}
B. {(5, -15)}
C. { 8x + 5y = 35 }
D. ?

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Find the exact value of the expression.cos (30° + 45°)

A.
B.
C.
D.

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Solve the inequality. Write the solution set in interval notation.-4(-2 - x) < 6x + 19 - 11 - 2x

A. ? B. all real numbers C. (-?, 0) D. (-?, 8)

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