Answer:
the 12th term of the arithmetic sequence would be 13a - 12b
Step-by-step explanation:
as you can see from the sequence, it goes up by 1. 2a - b became 3a -2b as an example.
Answer:
about 27 hours
actual number: 26.6666666667
Step-by-step explanation:
80 divided by 3
Answer:

Step-by-step explanation:
Remember when you divide fractions, you need to get the reciprocal of the divisor and multiply. So your first simplification would be:

Next we factor what we can so we can further simplify the rest of the equation:

We can now cancel out (x+2)

Next we factor out even more:

We cancel out x-4 and reduce the 3 and 6 into simpler terms:

And we can now simplify it to:

Answer:
3x^3+13x^2-3x+7
Step-by-step explanation:
I dont know if your question is complete.
f(x) - g(x)

The answer is 28 for this equation