Can someone help me out my grads are bad

Write an equation of the line given the two points below (write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6, -4)

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false