P is a polynomial defined by P(x) = 4x3 – 11x2 - 6x + 9. Two factors are
(x – 3) and (x + 1). Rewrite the expression for P as
the product of linear factors.

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.