__ A. Write .42 a repeating decimal form, in a fraction in simplest form?
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B. Write 2.84 a repeating decimal form, as a mixed number in simplest form

WHO EVER ANSWERS BOTH QUESTIONS CORRECT WINS BRAINLIEST

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.