Catherine paid $118.72 for an MP3 player. If the price paid includes a 6% sales tax, which of the following equations can be used to determine the price of the MP3 player before tax? (Let x represent the cost of the MP3 player and y represent the total cost after tax.) A. y = x + 6x B. y = 1.6x C. y = 0.94x D. y = 1.06x

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.

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb

Express -5 2/5 as an improper fraction.