The answer is 21.9
Hope this helps good luckkk :)
Answer:
Step-by-step explanation:
Is this y=-x^2 +2?
Here is the graph, in the photo.
Hope you understand
Answer: 
Step-by-step explanation:
1. By definition, the associative property of addition is:

This property says that you can group the numbers in different ways and you will obtain the same result.
2. Therefore, if you have the following expression:

You apply the Asociative property of addition by regrouping the numbers as following:

3. Then, you can conclude that the correct option is B.
1/4+5/4=1.5
1.5 divided by 4 = 0.5625