Answer:
option C can be used.
Step-by-step explanation:
hope this helps you.
Answer:
2,4,6,1,3
Step-by-step explanation:
All of those numbers are rational, except the square root of 12.
Answer:

Step-by-step explanation:
Do FOIL, first outside inside last
3x × 3x = 9x^2
3x × -7 = -21x
7 × 3x = 21x
7 × -7 = -49

So it would just be 9x^2 - 49
Answer:
4
Step-by-step explanation: