I believe C is correct,
Also, did you finish the equation for letter D?
Answer:
A=950
B=540
Step-by-step explanation:

Answer:
43.97
Step-by-step explanation:
just minus both the numbers but dont forget to put the percentage after the 55
64-128-256
each step double previous number
Answer:
0.08 minutes for a kilometer.
Step-by-step explanation:
If the track is 25 kilometers, and he runs 25 kilometers in 2 minutes, he runs a kilometer in 2÷25 minutes or 0.08 minutes which is 4.8 seconds.
I'm pretty sure the track isn't 25 kilometer or he can't run a lap in 2 minutes. But if so, the answer is 0.08 minutes.