If x=15 and y=45, what is the value of x if y=57

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

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

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.