While fire clay bricks have a density of 2400 kg/m3, for common red bricks it is 1900 kg/m3 . [
Step-by-step explanation:
Well in general, we can represent subtraction as: 
"z" represents the difference, and it really just represents x with y taken away. So if we were to "give back" this y value, we should get "x".
This means that: 
So one way to check, is adding the value that's being subtracted (y value) and the difference (z value), this should get you the value that is being subtracted from (x value). If you don't get the original value that's being subtracted from (x-value) then you know the answer you got is wrong.
Answer:
It doesn't. Square bread on top
Step-by-step explanation:
Answer:
The answer is A as when simplified the number is 125^x/3
and the only one taht represents this is a