A science class with 40 students collected data about some of their physical characteristics. When they analysed the data they found that 30 of the students have attached ears lobes and 10 students have unattached ear lobes. What is the ratio of attached to unattached ear lobes? *

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