What is X+1 divided by x+1
This is so hard I really need help with it, I'm not putting it up for no reason. This question pushes my brain to its limits

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9

What is the slope of the line passing through the points (-5, 7) and (-3,5)?