Answer:
m = 2.5
Step-by-step explanation:
m + 4 = 6.5
m= 6.5 - 4
m= 2.5.
Answer:
(8n^4-6n+8n^2)+(6n^4-4)
8n^4 + 8n^2 - 6n + 6n^4 - 4
<u>14n^4 + 8n^2 - 6n - 4</u>
Step-by-step explanation:
After 7 days means the temperature has changed 7 times so
7 x (-1.2)
=-8.4°
so the temperature decrease 8.4 degree