Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: Part A: Describe the graph of the system, including shading and the types of lines graphed. Provide a description of the solution area. Part B: Is the point (−2, 7) included in the solution area for the system? Justify your answer mathematically.

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.