The mean tax-return preparation fee h& r block charged retail customers in 2012 was $183 (the wall street journal, march 7, 2012). use this price as the population mean and assume the population standard deviation of preparation fees is $50.

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit