A. Cheetah that is the answer
Answer:
27. C
28. D
Step-by-step explanation:
The average of all grades in his fencing class, including the upcoming one, (all grades summed up divided by the amount of grades) must be equal to 86 (percent), hence C is the right answer for 27.
Solving this equation gives:

So D is the right answer for 28.
Answer:
500
Step-by-step explanation:
if you take 4,000 miles and divide it by 8 hours, it will give you 500, so that how we figure the speed.
The final answer is 500.
That's simply a list of two complex numbers. There's no question asked.