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Answer:
The first deal:10 tacos for $7
Step-by-step explanation:
5 times 3.20 = 16$ and 10 tacos=$7
You would use a 5 by 6 tile because you would find a common factor of 24 and 20 which is 4.
24 divided by 4 is 6
20 divided by 4 is 5
So the tiles used to cover the stone would be 6 by 5 tiles
Hope this helps :)
Answer:
The solution is x =2 for the given equation 
Step-by-step explanation:
We need to find the solution for x in the given equation.

Solving:
Subtract
from both sides

Taking square on both sides

Putting values and solving

Verifying the solution by putting values of x in given equation
Putting x=18

So, x=18 is not solution o given equation.
Putting x = 2

So, x=2 satisfies the equation
The solution is x =2 for the given equation 
4.1 is a measure to the nearest tenth.
The value preceding it is 4.0 while the value following it is 4.2
The midvalue of 4.0 and 4.1 is 4.05 while the midvalue of 4.1 and 4.2 is 4.15
Therefore, the class interval of a <span>measurement values reported as 4.1 cm is 4.05 to 4.14 cm</span>