ANSWER: 3x^2 + 6
4x^2 + 1 - (x^2 - 5) = 3x^2 + 6
Is it definition of Congruence?
Answer:
2 x 2 x 2 x 2 = 16 possible outcomes
You have two sides of a coin, you flip 4 coins.
Now we just multiply 2 by itself 4 times.
Hey, I'm not the smartest, so I would not entirely trust the answer, but It could be right.
B, ask for a explaination
18/12 would be 1 and 1/2 as a mixed number