X+3y>-3 and y<1/2x+1

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

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.

For the inequality |c| < |d| to be true, which of the following must be true?