Describe the solution set in rp of the system 21 + 2x2 - 5x3 = 1, 2x1 - x2 + 5x3 = 4, both algebraically and geometrically.

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

Math question.. plz me .. best answer all

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250