G = 3f-h+k
hope this helps :)
Since

you can see that common expression is

.
Answer: Correct choice is A.
Answer:
17 hours
Step-by-step explanation:
We first need to find the hourly rate:
156 / 12 = 13
Hourly Rate: $13
Now we can divide 221 by 13, this gives us 17.
That means that Frank will have to work 17 hours to make $221.
Hope this helps!
Using finite difference, the answer is cubic. Apologies if I’m wrong
4 1/6 = 4 7/42
2 4/7 = 2 24/42
2 24/42 + 4 7/42 = 6 31/42
6 31/42 = 283/42