Anew post-surgical treatment is being compared with a standard treatment. seven subjects receive the new treatment, while seven others (the controls) receive the standard treatment. the recovery times, in days, are given below. treatment: 12 13 15 19 20 21 22 control: 18 23 24 30 32 35 39

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