You are basically just adding, so combine like terms.
3x^2 + 5x^2 = 8x^2
6x - 2x = 4x
4 - 8 = -4
So the answer is D.
Answer:
360
Step-by-step explanation:
Answer: 1,904.92308 if you round it that will be 1904.9 or 1904.92
I used a calculator
He ran 14 km, multiply 6 by 2 and 1/3.