12
x
−
36
y
Step-by-step explanation:
Answer:
Since the longest side is more than the sum of the other two sides this is a triangle
10>4+5
Answer: f=9
Subtract 4f from 6f to get 6 by itself. (2f-12=6) Then add 12 to 6 to get 2f by itself. (2f=18) Then divide 2 from 18 to get 9.
