Please answer this correctly without making mistakes

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)