"A Café Bakery is trying to convert to more pick up and delivery orders. There bread oven can do twice as much work as their conventional oven. When they are both being used, the bakery can make its daily orders in 6 hours. How long would the work take
each of the ovens by themselves?"

and the answers should go in the blanks that is in the photo and thanksss!! ​

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

Find the distance between the point (-3,-4), and (see the picture below)

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.