Answer:
I don't think it can, because the two smaller sides cannot have a sum of less than the third side. 6+6=12, and 12 is less than 15, so it cannot be possible. You can even test this out on a piece of paper and you will see that it is not possible.
Answer:
x=10
Step-by-step explanation:
2x=20
x=10
The Domain in #4 is (0,1,2,3)
The Range in #4 is (1,3,5,7)
Umm... Any number times 0 is 0.