Fiona wants to estimate the product (8.7)(3.0). Which expression shows each factor rounded to the nearest whole number?

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

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Which shows how to solve the equation 3/4x=6 for x in one step?