joy needs 8 feet of fabric for a project she is working on, but the store only sells the fabric in meters. one meter of fabric costs $1.15. how much will the fabric cost?

[1 ft = 0.305m]

$9.20
$2.12
$2.81
$30.16

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

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

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red