Identify an equation in point-slope form for the line perpendicular to y = 3x + 5
that passes through (4, -1).
O A. y +1 =
(-4)
O B. y -1 = -3(x + 4)
O C. y-4--} (x + 1)
O D. y +1 = 3(x - 4)

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.