How many sides does a hexagon have? ?

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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.

50 points 1- 24=-v/3 2- -20=-7+w 3- )=32