So, i need someone to show me the steps for solving the equation after equal sign. it is supposed to = 729, and i am pretty sure it does and it's true, but everytime i try to prove it i must be doing something wrong because i get insane answers instead.. can someone me and show the steps to getting 729 for this polynomial? ! (4+5)(4+5)(4+5) = 4^3+3(4)^2(5)+3(4)(5)^2+(5)^3

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.