What is n and how do you get it ? plz show me how you get n

The table represents a linear function. what is the slope of the function? –6 –4 4 6

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

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction