Find the missing length indicated

Can (3,5 and square root 34) be sides on a right triangle?

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

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.