1. Solve the inequality and graph the solution set on a number line. 3x – 6x + |14 – 21| > (–12 + 4)
2. Graph the inequality.
x ≤ 4
3. Graph the inequality.
x > –2
4. Solve and graph the inequality.
x – 5 > –4
5. Solve and graph the inequality.
–4x ≤ 12
6. Solve the inequality and graph the solution set on a number line.
14z ≥ 28
7. Solve the inequality and graph the solution set.
x + 7 < 10

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.