The weight of a rock sample is measured to be 2.5 pounds. what is the percent of error in the measurement?

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.

The function show two sisters' savings account and the rate at which they plan to deposit money

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)