Starting at the same point at the same time, samuel and heather rode their bikes in the same direction. samuel traveled 3km/h faster than heather. after 3.5h samuel stopped for a half-hour break, but heather kept going. at the end of the break, heather was 8km ahead of samuel. how fast was each going?

(this is a speed, distance, time question)

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