Yolanda purchase a prepaid phone card for $25 long distance calls cost $0.07 a minute using disk are you allowed to use her car only once to make a long-distance call its remaining credit on her card is $23.18 how many minutes did her call last

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

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?