Answer:

Step-by-step explanation:
The area of a rectangle can is defined as
where w is the width and l is the length. The width in this case is 12 and the length is 15. Also it doesn't really matter what order you put it in. This gives you an area of 
Answer:
2/8
Step-by-step explanation:
Answer: Oliver is correct
Step-by-step explanation:*mine doesn’t have the line and stuff to show u how to explain it*
Answer:
z=8,154
Step-by-step explanation:
To find the answer for this is you take 21,137 and subtract 12,983 from it.
21,137-12,983=8,154
12,983 + z = 21,137
12,983 + 8,154 = 21,137