Find the mean of the data

The mean is ___visits to your website.

Need on this geometry question. explain how you did it.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

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.