An industry analyst fits a linear trend model to 2 years of monthly observations measuring the volume of retail sales (in millions of dollars) of passenger cars in the United States. The trend variable equals 1 in January 2011. Below is the equation and some supplementary information.

The price of a particular stock is represented by the linear equation , where x represents the number of weeks the stock has been owned and y represents the price of the stock, in dollars. if this relationship continues, what is the price of the stock after it has been owned for 12 weeks? $92.55 $94.37 $100.52 $114.39

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Find the distance between (7,-6) and (-3,-9)