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Combined megan and kelly worked 60 hours. kelly worked twice as many hours as megan. how many hours did they each worked?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?