The answer is

inches
Step 1. Subtract length of the door from the width of the door:

Step 2. You want the same space to be on each side of the bar. So, divide the difference from step 1 by 2:
Because its value wont change
Mark brainliest please
Hope this helps you
There are 26 letters in the english alphabet, asussuming that they are all upper case, you would multiply 26×6 to find all of the different combinations of numbers.
there are 1000 possible ways to organize the nine individual numbers (000, 001, 002,...,999)
I hope that helps, I am not really sure how you would go on from there, good luck!
Answer:
It looks different. Can you provide some formulae based on it. I may help you out in the comment section!
Answer:
a = 4h.
Step-by-step explanation:
Area (a) = base (b) * height (h).
When h = 2, a = 8:
a = bh
6 = 2b
b = 4
The result 4 is the same for h = 5, 7 and 12.
So the required equation is
a = 4h.