Solve the equation z^2+ 3z – 18 = 0.

a. z = –6, z = –3
b. z = –3, z = 6
c. z = 3, z = 6
d. z = –6, z = 3

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.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Ofin . (2,4) (2,1) a. y= 2 b. x= 2 c. x= -2 d. y= 2x