No shel will not have enough tile. If you don't know the dimensions of the actual tile how will you solve. If you have a closet 18 square feet it could be 9 ' x 2 ' = 18 square feet. If the tiles were 12" x 6" you would need 36 tiles. If the closet was 6' x 3' = 18 square feet you could have the tiles 12" x 6" = 36 tiles. So you need to know the dimensions of the tile.
X^2 + 8x + 7= 0
(X+7)(X+1)
X=-1,-7
Well,

So he rode

miles, or if they want it as a fraction, it would be
Answer: x=12
Step-by-step explanation:
5x-15=2x+21(AIA)
3x-15=21
3x=36
x=12
Answer:
(Frequency of the value being measured divided by the total frequency) times by 100