12.6 percent of high-school students this year said they’d had a cigarette in the last month, down from 13.6 percent last year. quantify the change in relative terms

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