Anish wants to cover the floor of the room 900cm long and 300cm wide with square tiles. If each square tile is of side 30 cm then find the number of tiles required to cover the floor of the room.

Twelve less than a number is at most 20

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).

Caitlin had 402. in her bank account.she withdrew $15.each week to pay for swimming lesson. she now has $237.