Taki and connor invest $20 in drink mix, sugar, and paper cups for a lemonade stand. after 5 hours they have made $50 in profits. assume that they sell the drinks at the same rate all day. write an equation for their profit for the day from the lemonade stand. if their stand continues to sell from 1: 00 p. m. to 8: 00 p. m. that day, what is their profit for the day?

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem