7 + (2+ 3) equivalent to (7 + 2) + 3

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

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

I’m confused on how to work the pie charts