For this case we have the following quadratic functions:
Revenue: 
Cost: 
Then, we observe that the profit is given by the following mathematical relationship:

Substituting values we have:

Making the corresponding calculations we have:

Answer:
An expression that represents the profit is:

Answer:
I need points sorry
Step-by-step explanation:
They won 20/30, so 100 / 30 = 3.3, then times by 20 = 66.66.
Hope this helps.
Answer:
24
Step-by-step explanation:
Let x be the points he scored in his best game. x-8 would then represent each of his last 3 games.
(x-8)*3 = 2x
3x-24=2x
x=24
Answer:
540 degrees
Step-by-step explanation: