The last bc the + and - are different that means it will be subtracted.
Answer:
2, 9.8, 
Step-by-step explanation:
The decimal form of
is 9.949
Answer:

Step-by-step explanation:
Given
See attachment for graph
Required
The unit cost
Pick any point on the dots of the graph; we have:

The unit cost is then calculated as:


Answer:
5y^2 + 10y + 5x^2
Step-by-step explanation:
there's only two like terms that can be combined.