Dylan opens a credit card account with $550.00 of available credit .Now that he has made some purchases Dylan’s account only has 445.00 of available credit. What is the percentage decrease of the amount of available credit in Dylan’s account A.23%
B.81%
C.19%
D.14%

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