Regarding algebra 1 dba, i was just wondering if anyone has done any algebra dba's on flvs because i'm horrible at math so i'm a little nervous. i know i shouldn't be but i am so does anyone know what kind of questions they ask? i'm not asking for exact questions and their answers, just what type of questions they ask.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Need on this geometry question. explain how you did it.

What is the value of x when x + 7 = 21?