Answer:14!
Step-by-step explanation:22-8=...?
Differentiating once, we have

Differentiating again,


as needed.
Answer: 6 km to 22 km !
Step-by-step explanation:
the distances from the school mall to bus station could be, in the worst case, 14+8=22 km apart, and in the best case 14-8=6 km apart
so the range is 6 km to 22 km !
Answer:
the answer should be 12
Step-by-step explanation:
Your answer is 9.14
hope this help