Help please

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Solve the equation x/4 - 5= -8 -27 -12 -7 12