(a.) is the answr. ............................................
Step-by-step explanation:

Answer:She will have to charge her customers at least 21 dollars an hour to help her family.
Step-by-step explanation:
Answer:
The answer is D
Step-by-step explanation:
Plug all of the numbers in and they all work with the problem.
2+2 equals 4 and 2x2 also equals 4