26 because it’s a supplementary angle. d measures 52 degrees and 52/2 is 26.
Question is Incomplete; Complete question is given below;
During a recent rainstorm, 8 centimeters of rain fell in Dubaku's hometown, and 2.36 centimeters of rain fell in Elliot's hometown. During the same storm, 15.19 centimeters of snow fell in Alperen's hometown. How much more rain fell in Dubaku's town than in Elliot's town?
Answer:
The rain fell 5.64 cm more in Dubaku's town than in Elliot's town.
Step-by-step explanation:
Given:
rain fell in Dubaku's hometown = 8 cm
rain fell in Elliot's hometown = 2.36 cm
snow fell in Alperen's hometown = 15.19cm
We need to find how much more rain fell in Dubaku's town than in Elliot's town.
Solution:
Now we can say that;
to find how much more rain fell in Dubaku's town than in Elliot's town we will subtract rain fell in Elliot's hometown from rain fell in Dubaku's hometown.
framing in equation form we get;
Amount of rain fell more in Dubaku's town than in Elliot's town = 
Hence The rain fell 5.64 cm more in Dubaku's town than in Elliot's town.
Answer:

Step-by-step explanation:
Given


Required
Determine MSE
This is calculated as:

Where:

denominator df
So, we have:


To calculate the df, we have:
--- observations
treatments
So:




So, we have:



First, turn the fraction into a decimal.
9.75
Second, multiply by 100%.
9.75 * 100% = 975%
Best of Luck!