__(_+_)=18 what number will give 18

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

If i have 20$ and i gave 5$ away how much i got

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2