What is the place value 5s in 6755? can u explain pls

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Are the corresponding angles congruent? explain why or why not.

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