What value of n would make each equation true? 1. 40-80=40+n2. 25+-100=25-n3. 3-1/2=3+n4. 72-n=72+65. x-15=x-n

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