Write an equation to find the number of students in mr bogg's homeroom if the total number of students is 90

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

Given the graphed function below which of the following orders pairs are found on the inverse function

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?