Δabc is a right triangle. δa'b'c' has a hypotenuse of 10 after δabc undergoes a dilation by a factor of 2. if δabc has a short leg of 5 - x and a long leg of 2x, what is the length of the short leg of δabc? a) 2 b) 3 c) 5 d) 7

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.