Which are steps that could be used to solve0=9(x^2+6x)-18 by completing the square check all that apply

What numbers are included in the set of integers? what numbers are not included?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

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