Jada earns $7 per hour mowing her neighbors’ lawns. andre gets paid $5 per hour for the first hour of babysitting and $8 per hour for any additional hour he babysits. what is the number of hours they both can work so that they get paid the same amount?

What is the binomial expansion of (2x-3)^5

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.

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml