Find the volume of a rectangular prism with length 4 cm, width 5 cm, and height 14 cm.

V=_cm3

Divide reduce the answer to lowest term 3/7 divided 1 1/6

The product of (7x-2) and (20-3x)/4. when x=4

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.