Given the rational parent function, apply transformations to get the new reference points for g(x)= (3/(x+5))-2

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?

Can someone pls ! pls answer all. no explanation needed..

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.