Answer:
36 tiles
Step-by-step explanation:
First, find area of the square floor knowing the formula as;
Area= 
where s= side of a square.
If one side of the floor is 12 feet, then Area= 
Next, find the area of each tile using the same formula and given s=2 feet;
Area(tile) = 
To find the number of tiles needed to cover entire floor, divide area of the floor by area of one tile; 144 / 4 = 36 tiles
Answer: -8 1/2 I think
Step-by-step explanation:
First you make -8 1/3 a improper fraction
than you find common denominators
and you keep the sign of the biggest number
simplify if possible
Answer:
x=2475/31 Exact form
x=70.838 Decimal form
x=7026/31 Mixed Number form
i didnt know which one you wanted
First follow the order of operations so do the parentheses first.
30-2(7+2)-1
30-2(9)-1
Then multiplication
30-18-1
Then left to right
12-1
Then again
So your answer is 11
Hope that helps. Feel free to ask any questions.