Me after dying to the ring in Ap ex Legends, and there was only one squad left (Btw thats my teacher)

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x