In the coordinate plane, what is the distance between (3, 7) and (3, -1) ?

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

This is about circle theorems. someone asap : (

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