Please help!! Have to turn in soon

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

Can someone me with the property questions for 12 13 and 14 plz

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"