the lowest elevation in Long Beach California is 7 feet below sea level the elevation of Death Valley is about 40 times lower than the elevation of Long Beach what is the approximate elevation of Death Valley

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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.

Find the values of y: 3y^3(y^2+ 2/3y)=0