Answer:
Step-by-step explanation:
9000-500h=0+500h
h= 9 hours
Answer:
B
Step-by-step explanation:
Answer:
1- d
2- a
3- d
4- b
Step-by-step explanation:
Answer: i think its zero
Step-by-step explanation:
or u can just look it up on an sigma math calculator and that should give u the answer