Pretty sure the answer is F=4 2/3 I think
Answer:

Step-by-step explanation:
First, recall the 4 basic imaginary exponents:

So, we want to find:

This is the same as:

52 is 4 times 13. Thus:

Since we know that i to the fourth is 1:

Simplify:

And this equals:

So:

Answer: option 3
Step-by-step explanation:
Answer:
z = 74 degrees
y = 115 degrees
Step-by-step explanation:
Explanation in the attachment.
He will use more tiles because 1/3 is smaller than 1/2 and the smaller the tiles the more you need to fill the place up.