The strandard width of 8 lanes in swimming pools used for conpetitions is 21.92 meters. the standard width of 9 lanes is 21.96 meters. how much wider is each lane when there are 8 lanes than when there are 9 lanes? ? me ! you will get 28 points.

Anyone know? will mark brainliest if correct!

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities