BRAINLIEST IF RIGHT Jessica is decorating a birthday card with glitter shapes. She wants to put a total of 5 shapes on the card congruent to the one shown on the grid above. If one unit on the grid represents 1 cm, what area of the card will be covered under all the shapes?

A.

72 square cm

B.

90 square cm

C.

18 square cm

D.

30 square cm

Me what is the value of x? showing work would be appreciated - ! : )

The difference between tax advoidance and tax evasion

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