anne is standing on top of the Indian Mound at Lsu and she spots her best friend Emily at an angle of depression of 43° . Emily is 50 feet from the base of Indian Mounds, so how high up is Anne standing .

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