Eight times a number plus five times another number is -13. The sum of the number is 1. What are the nymber?

The measurement of one angle of a right triangle is 34°. what is the measurement of the third angle?

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 the inequality |c| < |d| to be true, which of the following must be true?