If mTUV = 9x + 1, and mTUW = 7x - 15, and mWUV = 5x - 11, find the x pls help I will make u Brian list pls

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Aline passes through 3,7 and 6,9 what equation represents the line

Afigure is rotated 180°. if one of the points on the image is g'(4, -8), what were the coordinates of g? (8,4) (8,-4) (4,8) (4,8)