A itching I thing sorry am just not sure Keyshawn
Answer:
Step 2
Step-by-step explanation:
Mario made a mistake in Step 2 when substracting
from
. When substracting his result ended up being
but it is actually....

so the right answer is 
Those lengths will NOT form a triangle.
According to the triangle inequality theorem, the longest side has to be LESS than the sum of the other 2 sides.
Answer:
n + 3
Step-by-step explanation:
6 is 3 + 3, 11 is 8 + 3 and 12 is 9 + 3 so the output seems to be the input plus 3. Therefore, when the input is n, the output is n + 3.
Answer:
Try 8.91
Step-by-step explanation:
6.84+4.19=11.03-2.12=8.91