jennifer babysat on friday and made 52.20in 6 hours. On sunday she baby sat for 4 hours and made 35.Was the amount she earned each day proportional to the number of hours that she worked?

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.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?