Answer:

Step-by-step explanation:
Given


Required
Determine the profit function
This is calculated as follows:

Substitute values for R(x) and C(x)

Open bracket

Collect like terms


Answer:
3 hours
Step-by-step explanation:
43-16=27
27/9=3
3.14159265359 is the first 12 numbers in pi!
your welcome!
40 + 30s = 220
30 for each student (s) and the one charge of 40 would get the tutor 220 dollars.
Answer:
56.31 degrees
Step-by-step explanation:
6 = opposite and 4 = adjacent
Tan = opposite over adjacent
Tan(theta)=6/4
=56.30993247