What’s 1. 1.861 2. 99.96 3. 103.103 4. 16.031 5. 281.05 6. 8.741 7. 27.773 rounded to the nearest tenth

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

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

Plot the intercepts to graph the equation