6x + 7 = 3x - 6
give your answer as an improper fraction in its simplest form

What is the value of the expression below? (81^2)^1/8

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

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.