Find the GCF of -42, 21, 84

On any given day, the number of users, u, that access a certain website can be represented by the inequality 1125-4530 which of the following represents the range of users that access the website each day? u> 95 or u < 155 95> u> 155 u< 95 or > 155 95

For which pair of functions is (gof)(a)=|a|-2?

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq