Question

Someone please help!
Solve the open sentence.
–1 ≤ n + 2 ≤ 6
n ≥ 3 and n ≤ –2
n ≤ –3 and n ≤ 2
n ≤ 1 and n ≤ 6
n ≥ –3 and n ≤ 4
2.Solve the open sentence. 6 < 3b OR 3b + 12 < 9
b < –1 OR b > –6
b < –1 OR b < 3
b < 2 OR b > –3
b > 2 OR b < –1
3.
A compound inequality is graphed, and its graph consists of all real numbers. Which open sentence could have resulted in this solution set?
r < 6 or r > – 4
r < 6 or r < – 4
r > 6 or r < – 4
r > 6 or r > – 4