Suppose you want to solve the following problem. 8 sandwich rolls cost $2.48, how much will 15 rolls cost? wich os te following proportions will give the correct answer? a) 2.48/15 = x/8 b) 8/2.48 = 15/x c) 8/2.48 = x/15 d) 8/15 = 2.48/x *there may be more than 1 correct answer*

If the measure of xyz is 81 what is the measure of yz

What is the standard form of -5x^2+2x^4-11+x^3+3x

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.