Answer:
4, 8, 12, 13
In order to find the mean you must add all of the values together and then divide by the number of numbers. 4 + 8 + 12 + 13 = 37
Now we divide: 37 ÷ 4 = 9.25
So the mean is 9.25
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Weighted average is the average of a set using different weight for each element in the set. The final grade when homework and test scores are 59 and 64 is 62.35
Given that:


The test score is greater than the homework score. So, the test will be weighted using 67%, while the homework will be weighted using 33%.
The final grade is calculated as follows:

So, we have:



Hence, the final grade is 62.35
Read more about weighted average at:
brainly.com/question/18554478
If Timothy is using inductive reasoning then he has to make a conclusion by observing some patterns in the activity that he is performing.
The conclusion that Timothy makes as a result of recognizing a pattern is called a

All isosceles triangles have two of their angles equal. This is an established fact about isosceles triangles. Therefore a reasonable conjecture that Timothy will make if he measures the angles correctly is
'In an isosceles triangle, two of the angles are equal.'
Hence the correct answer is the first option.
Answer:
Total distance from Mr. West to dolphin 
Step-by-step explanation:
Height of cliff on which Mr. West is standing above the surface of ocean =
Mr. West spot the dolphin under the water at a depth of = 
∴ Total distance from Mr. West to dolphin=
Adding mixed numbers

Adding whole numbers first.

Adding fractions by taking LCD.
