Alfred spends 7 hours doing work outside each week as part of his chores. For every extra hour he spends working outside beyond the 7 hours, his parents pay him $7. How much money will he be paid if he spends 13 hours working outside?
OA.
$13
ОВ.
$91
OC.
$140
OD
$42

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

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?

Anew movie is released each year for 14 years to go along with a popular book series. each movie is 2 minutes longer than the last to go along with a plot twist. the first movie is 70 minutes long. use an arithmetic series formula to determine the total length of all 14 movies