Rayann has 4 bracelets, jennifer has 8 bracelets, june has 3 bracelets, and tammy has 5 bracelets. they want to redistribute the bracelets so that each girl has the same number of bracelets. if the bracelets are redistributed, how many should each girl get?

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.

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)