Stacy and Neil painted 280 ft2 of their living room wall with LaTeX: \frac{4}{5}4 5 gallon of paint. How many square feet can they paint with one gallon of paint

With #! i’ve tried to figure it out but i can’t.

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Which graph has a rate of change of zero