1 is C because it is more than a 90 degree angle and 2 is d
The mean can be revealed by looking at the ranges of numbers. You need exact numbers to find a mean.
Median is just to middle. Hopefully you can find the middle bar.
Answer:

Step-by-step explanation:
Given the following question:

In order to simplify fractions with exponents we simply subtract the exponents.



Hope this helps.