Try this solution:
1. rules:

2. according to the rule described above:
Answer:
(3^2) - n
Step-by-step explanation:
For this problem we will take it step by step to build the expression:
raise 3 to the 2nd power
= 3^2
then find the difference of the result and n
= (3^2) - n
Hence, your final expression should be (3^2) - n.
Cheers.
Answer:
18 I guess if he can swim straightdown and straight up :-)
Step-by-step explanation:
9+9=18
Try Photomath; to see if it helps