The correct answer to your question is:
D. The volume of the cylinder is 8 times the volume of the smaller cylinder.
7^4 the ^ is the exponent symbol if you did not know
7^4=2,401
(3x+4) units.
Working;
AM=AD+DM
=x+5+2x-1
=(3x+4) units
Find the area of the room by multiplying the length by the width:
Area of room = 20 x 12 = 240 square feet.
Find the area of the tile: 2x 2 = 4 square feet.
To find the number of tiles divide the area of the room by the area of a tile:
240/4 = 60
They will need 60 tiles.
