What formula could the engineer use to help him figure out the speed of each sky ride? Explain what each letter in your formula represents.

What is the factored form of the following expressions? d^2 – 13d + 36

Math it's appreciated. (picture provided)

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