The marked price of a laptop computer was $2 800. When bought on hire purchase, a deposit of $1, 120 was required, followed by 12 monthly installments of $168 each. How much more is the hire purchase price than the cash price? *

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

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.

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.