Is 5/6 is greater than 10/12

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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.

What function has a range {yly< 5}? question on picture above^