The first one is B and the second is D
Answer:
its is x=0
Step-by-step explanation:
Answer:
Step-by-step explanation:
we have
E------>the number of sit-ups
m----> the time in minutes
S----> the number of sit-ups after drinking the sports drink
----> equation A
----> equation B
substitute the equation A in the equation B
I believe the answer is B.