What is the value of the function at x = 2?

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?