Need help ASAP math I have a picture

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

How do you determine if an ordered pair is a solution to a given equation?

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points