Geometry multiple choice pls help!

Solve the system of equations y= 3/2 - 1, -x+ y =-3

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

Urgent? will give brainliest to the first correct answer what is the area of the figure?