a swimming pool is to be drained. the pool is shaped like a rectangular prism with length 20 ft, width 16 ft, and depth 4 ft. suppose water is pumped out of the pool at a rate of 128 ft3 per hour. if the pool starts completely full, how many hours does it take to empty the pool

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