Determine if the expressions below are equivalent by simplifying. justify your answer.

2(4x² + 4) + 10x² + 1

and

6(x² + 1) + 12x² + 3

What is the length of the unknown leg in the right triangle ?

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

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