Add the following algebraic expressions using horizontal method: a) b) c) d) 8-2mn, 10-7mn, and 6 - 15mn Add the following algebrian expression using column method: a) b) c) d) PLS HELP

The total number of dental clinics total for the last 12 months was recorded

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

Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months