Given a term in an arithmetic sequence and the common difference find the recursive formula and the three terms in the sequence after the last one given.
23) a. - -1.4, d -0,6
24) 4,- -44, d = -2
26) a= 28.6, d = 1.8
25) a= 27.4, d = 1.1

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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.

Negative 5 1/12 + negative 4 1/4 + 6 3/4