If the relation is a function, list the domain and range. if the relation is not a function, choose "not a function".
c = {(9, 1) (8, -3) (7, 5) (-5, 3)}

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

An of a of 60. a of 36 is . isbe ?to .

What is the benefit of converting measures in a ratio to the same unit