Which system of linear equations had a solution of (-2, 1) ?

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

If you could answer these your a life saver

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?