Choose the graph that matches the system of inequalities.
–x + y ≤ –1
x + 2y ≥ 4

Solve the inequality and graph 6j - 7 < 5

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2