Please report my account please
and I got a new rank

I am sad because I am genius in another id

What is the frequency of the sinusoidal graph?

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.

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.