Randy's football team had the ball on the zero yard line. on their first play they gained 6 yards. on the second play they lost 4 yards. on what yard line is the ball now?

Which equation represents the partial sum of the geometric series?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

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