starting at (0,0) if you were to go up 7 units and Left 4 units what coordinates would you end up at what quadrant would you be

What is the answer to this problem 7 * 5/6

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.