How can I figure this out? What is |-9-3|?

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

Which expression is equivalent to 5r6141 2r+st6

What is the result of adding the system of equations? 2x+y=4 3x-y=6