Find the equation of each linear relationship.
Hours (x)
Number of
units (y)
480
15
Cost ($)
24
3,600
5,760
7,200
11,520
30
48
55
13,200
10 20 30
Time (min)

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