Shapes are black and white, and are circles or squares. The ratio of circles to squares is 2: 3. Of the circles, the ratio of black to white is 4: 5. Of the squares, the ratio of black to white is 5: 2 . (a) What fraction of the shapes are black?

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