Would you rather find all the factors of a number or find all the prime factors of a number ? why?

I'm so close to finishing all these.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3