Solve.Martha can rake the leaves in her yard in 5 hours. Her younger brother can do the job in 6 hours. How long will it take them to do the job if they work together?

A. 2 hr
B.  hr
C. 6 hr
D. 30 hr


Answer: A

Mathematics

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Solve the problem.A rectangular garden measures 23.9 meters by 52.5 meters. What is its area? Use the formula, where A is the area, l is the length, and w is the width.

A. 1254.75 m2 B. 76.4 m2 C. 1144.75 m2 D. 12,547.5 m2

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Solve the equation.(3x + 4)(x + 9) = 53x + 29

A. - - -9
B. - -9
C. 7
D. - - 

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Verify that each equation is an identity.(1 + tan2s)(1 - sin2s) = 1

What will be an ideal response?

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Provide an appropriate response.Determine:  

Fill in the blank(s) with the appropriate word(s).

Mathematics