Audrie's mom gave her $20.00 to buy school supplies. Audrie needs to buy 4 packs of index cards and some notebooks. If each pack of index cards costs $1.95 and each notebook costs $1.99, how many notebooks can Audrie buy using only the money her mom gave her?

What is the unit rate to: a 13-ounce package of pistachios costs $5.99.

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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.