5. given the following triangle side lengths, identify the triangle as acute, right or obtuse. show your work. a. 5 in, 6 in, 7 in b. 18 in 9 in, 12 in

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.