Does 5x^2 + y =5 represent y as a function of x?

Arrange these numbers from least to greatest 3/5 5/7 2/9

Its worth 10000000 points need asap if you answer correctly ill mark 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.