B. use two order pairs to write a prediction equation.
c. use your prediction equation to predict the missin value.
1. x y
1 1
3 5
4 7
6 11
7 12
8 15
10 ?
2. x y
5 9
10 17
20 22
25 30
35 38
40 44
50 ?
3. x y
1 16
2 16
3 ?
4 22
5 30
7 34
8 36

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