airline fares for a flight from Dallas to Austin are $30 for first class and $25 for tourist class. if the flight had 52 passengers who paid a total of 1360, how many first class passengers were on the trip?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

X-intercept=-5 y-intercept=2 the equation of the line is

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.