Note: enter your answer and show all the steps that you use to solve this problem in the space provided. marissa is researching information about martial arts students. she found that 7 out of 12 martial artists practice every day. there are 144 martial arts students at a school. a. predict how many students practice every day. b. what is the sample size?

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