Abag contains two red balls and five blue balls. you draw out a ball, record its color, replace it, and then draw out a second ball, record its color, etc., repeating this four times. what is the probability that you draw out a red ball at least once? a) 0.28 b) 0.71 c) 0.74 d) 0.99

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

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.