251.50 divided by 7.85 is 32 so she worked 32 hours.
Answer:
1.23x=52
Step-by-step explanation:
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:
the answer is D undefined slope
Answer:
No
Step-by-step explanation: