A random sample of 55 cars produced by GM showed an average of 42 miles per gallon (mpg). The standard deviation of the sample is 6 mpg. With this information, if we wanted to create an interval estimate of the mean mpg for all cars produced by GM, which distribution would we use?

Which system of linear inequalities is represented by the graph? !

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation