Answer:
l think the answer is B
Step-by-step explanation:
The eighth patern should give the result 81
Answer:
The answer is 1.
Step-by-step explanation:
The number is usually in front of the variable, if there is no number, it is a 1.
144 ways because 12 songs 12 ways 12*12
Solution:

Answer:

<em>Hope this was helpful.</em>