a school chorus has 90 sixth grade students and 75 seventh-grade students the music director wants to make groups and performers with the same combination of sixth and seventh grade students in each group. she wants to form as many groups as possible what is the largest numbers of groups that could be formed

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.

What is the difference between the predicted value and the actual value

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?