An aeroplane completes a flight off 3600 miles at an average speed of 540 mph calculate the time taken for the journey in hours and minutes

How do i do this? i don’t understand

How many terms does the polynomial x^2 y^2 have

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