Answer:
around 228
Step-by-step explanation:
The formula of a slope:

We have the points (look at the picture) (0, 1) and (-2, -2). Substitute:

Answer:
t to the sixth power equals 9
t=1.5
Step-by-step explanation:
Answer:
Sum is - 5n² -8n + 4.
Step-by-step explanation:
Given : (3n² – 5n + 6) + (–8n²– 3n – 2) .
To find : Sum .
Solution : We have (3n² – 5n + 6) + (–8n²– 3n – 2) .
Combine like terms :
(3n² - 8n²– 5n - 3n + 6 - 2).
- 5n² -8n + 4.
Therefore, Sum is - 5n² -8n + 4.