Answer:

3^2 * 3^5 = 3^7
Step-by-step explanation:
I assume you mean this:

If so, then the rule is that when you multiply two numbers with the same base, you give the same base and add the exponents.

Answer:
1. Complimentary angles
2. 3x+20 = 10x-15: x = 5
3. I'm not sure on part 3, sorry.
Answer:
look it up
Step-by-step explanation:
Try and find a way to look it up.
Well , the diameter means a straight line passing from side to side through the center of a body or figure, especially a circle or sphere. The area means what the extent or measurement of a surface or piece of land. So area means inside so all you need to do is just to divide each side by knowing what 20/4 is and that = 5 meters
Answer:
ASA
Step-by-step explanation:
congruent angle, share a side, right angle