Answer:

Step-by-step explanation:
A suitable common denominator is 4k^2. (This eliminates the first and last choices.)

Answer:
9 %
Step-by-step explanation:
Answer: it MIGHT be c cuz it goes down FASST then slows down a bit on the loop the fast cuz its gong down and then slows a bit
Step-by-step explanation:
Answer:
maybe 5250
Step-by-step explanation:
i think