The number could be anything because whatever it is it can be quadrupled
Answer:
123 456 789 10 11 12 1 3 1 4 1 5 1 5
Step-by-step explanation:
Answer:
2,160 seconds
Step-by-step explanation:
<h3>
Answer: Choice A</h3>
What we do is simply replace every n with k+1. So (3n)^2 turns into (3(k+1))^2
We see that only choice A has the correct term mentioned on the left hand side, so this must be the answer.
The right hand side is treated the same way. We plug in n = k+1. Your teacher did a bit of algebraic manipulation to get what is shown for choice A.
