Answer:
Your question does not make sense
Step-by-step explanation:
The best way I can explain the elimination method is, it's a method where you either add or subtract equations in order to get rid of a variable.
This is how it is done. Let me know if you have questions...
Answer:
When we know all 3 sides, we use Heron's Formula
area = sqrt [s *(s-a) * (s-b) * (s-c)]
where "s" is the semi-perimeter which in this case equals
s = (6 + 8 + 12) / 2 = 13
area = sqrt [13 * 5 * 7 * 1]
area = sqrt 455
area = 21.3307290077
area = 21.33 square feet (rounded)
Step-by-step explanation:
Answer:
Rise (y) over Run (x)
12-5
------
3-1
7/2=m
Step-by-step explanation: