Given the following inverse variation find the missing value: (5,-8) (20, y) find the missing value

How do you use the elimination method for this question? explain, because i really want to understand!

Divide. write in simplest form 41/6 divided by 10

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)