2,4,26,101,400? 7,21,8,72,9?

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2,4,26,101,400? 7,21,8,72,9?

Working alone, Rosanne can finish the cookies in 5 hours. Dorothy can finish in 8 hours. How long will it take if they work together?

A farmer has 1600 feet of fence and wants to enclose a rectangular field with two internal fences parallel to one side. What are the dimensions that would maximize the area?

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I need thim

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sqrt(2x-3)=3-x

This problem was given to me by my math teacher in a practice quiz to review for our exam. Let x be the shorter leg of a right triangle. The longer leg is 9 cm less than 3 times the shorter leg,...