Calculate the Area of the rectangular wall. The length of the wall is 2 square root of 300ft. and the height of the wall is square root 75ft.
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According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

36 inches/second = yards/minute how many yards?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b