2. 4a + 8 > = 0
4a > = -8
a > = -8/4
a > = -2
closed circle on -2, shading to the right
3. 2 + (b/-3) < = 3
b/-3 < = 3 - 2
b/-3 < =1
b > = -3
closed circle on -3, shading to the right
4. (-c/2) - 6 > -8
-c/2 > - 8 + 6
-c/2 > -2
c < 4
open circle on 4, shading to the left
5. 8 < = -4(d + 1)
8/-4 > = d + 1
-2 > = d + 1
-2 - 1 > = d
-3 > = d or d < = -3
closed circle on -3, shading to the left
