2 Georgie is going to plaster this wall. Here is a scale diagram of the wall. Key scale 1:50
The door is 2m by 80cm.
Plaster comes in 7.5kg bags.
7.5kg of plaster covers 3m2 of wall. Georgia thinks 4bags of plaster will be enough to plaster the wall.
Is Georgie correct? ​

An observer(o) spots a plane(p) taking off from a local airport and flying at a 29 degree angle horizontal to her line of sight and located directly above a tower(t). the observer also notices a bird circling directly above her. if the distance from the plane(p) to the tower(t) is 6,000ft., how far is the bird(b) from the plane(p).