What is the measure of B?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36