Asmall college opened in 1999. in the linear model below, x represents the number of year after 1999, and y represents the student population. interpret the slope. y=576+173x

I’m stuck on this equation, anyone got the answer?

Which graph has a rate of change of zero

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?