Jhamil is a software developer in red deer, alberta. last year gross income was $58300 from four different contracts. three of this paid $8300, $12750, and $22400. what was the value of the fourth contract?

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