The students of seventh and eighth grade were asked whether they prefer swimming or basketball. The results of the survey are summarized in the table below. About which percentage of the students who prefer swimming are eighth graders?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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 is the height of a cylinder with a volume of 384x cubic inches and a radius of 8 inches? round to the nearest tenth of an inch