Answer:
The answer is a unique triangle.
Step-by-step explanation:
9+7=16, 16 is less than 18.
If two sides are added up and equal or are less than the third side, they are a unique triangle.
Step-by-step explanation:
first one
when x=0, y=4
wheb x=4, y=0
Answer:
12x
Step-by-step explanation:
It has no exponent so it is not a polynomial
Answer:
3
Step-by-step explanation: