Simplify and solve the equation

With both problems. a.s.a.p directions on photo ^

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

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.