9 to the 2nd power would = 81.
Answer:
10 + x, (5+5)x
Step-by-step explanation:
These are all I can think of off the top of my head
Answer:
See explanation
Step-by-step explanation:
We want to show that:

One way is to use the basic double angle formula:


We simplify further to get:

We simplify again to get;

This finally gives:

Answer:
3.46
Step-by-step explanation: