Answer:
Average change in temperature each day = 5 degrees/day
Step-by-step explanation:

Answer: The answer will be created shortly.
Answer:
8m.
Step-by-step explanation:
an = 2 an-1 means that each term in the sequence( except the first) is obtained by multiplying the last term by 2, so the first 4 terms are m, 2m, 4m, 8m.