Five times the sum of a number and 27 is greater than or equal to six times the sum of that number and 26.what is the solution set of this problem?

Sketch one cycle if the cosine function y=2cos2theta

Ineed i been stuck on this question since yesterday

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.