How do I graph/find the slope of y=mx+b ? Please explain how you found the answer. It’s due tomorrow!!

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

I'm confused on this could anyone me and show me what i need to do to solve it.