Find the slope of the line through each pair of points. show your work (9, 12), (9, -5)

Can i get some on 18,20,& 22? or one of them

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

Which system of linear inequalities is graphed? can somebody pleasssse