What is x the two numbers are 46 and 71

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?

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?