1)50% of 60 2) 8 out of 80 is what percent?

(40 points) i need some . an answer definition is appreciated as well.

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

Graph the following system of linear inequalities. identify at least two points in the solution: y < 5 - 2x | x + 5y > -7