Answer:

Step-by-step explanation:
Let sides of the triangle be 

Semi-perimeter (s) = 

Area of one tile 

So,
Area of 20 tiles 
Cost of polishing the floor at the rate of 2 rupees per sq.cm = 
Answer:
sorry man i need pont
Step-by-step explanation:
Answer:
3 < X < 3√11
-3√11 < X < -3
Step-by-step explanation:
The solution consists out of two intervals, so it is unclear what you want calculated with max - min...
Answer:
48(x-1)(x+1)²
Step-by-step explanation:
8(x²-1)×6(x+1)
48(x-1)(x+1)(x+1)
48(x-1)(x+1)²