The amount of chlorine needed for a pool varies directly as the size of the pool. If 5 units of chlorine is the amount needed for 2500 L of water, how much chlorine is needed for 3750 L of water?

Multiply. write your answer in simplest form. 3/8 x 5/7

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

Arace is 10 kilometers long.markers will be placed at the beginning and end of the race course and at each 500 meter mark.how many markers are needed to mark the course for the race?