Number 4 is D and number 5 is A
You have the slope and you have two points, so you can use the slope equation to find x.

So your answer is x = 8.
The answer is A and C, because 4(7x + 2 + x) simplifies to 32x + 8, and expressions A and C also simplify to 32x + 8. I hope this helps!
Answer:
no
Step-by-step explanation:
(12.5*2*Pi) / 8 = 3.125*Pi [1/s]