Amodel is made of a car. the car is 2 meters long and the model is 7 centimeters long. what is the ratio of the length of the car to the length of the model? a. 2 : 7 b. 7 : 2 c. 7 : 200 d. 200 : 7

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