What’s the answer and how to solve this problem

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when equals y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15