This Help me pls ols pls pls pls pl

Which of the following expressions is equal to 2x^2+8

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

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.