Answer:
see explanation
Step-by-step explanation:
A fraction is in simplest form when no other factor but 1 will divide into the numerator/ denominator
(1)
← is in simplest form
(2)
← is in simplest form
(3)
( divide numerator/ denominator by 2 )
=
← in simplest form
4(4)+ 2(-5) = 6
16+ (-10) = 6
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Answer: Choice A 
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Explanation:
Ask yourself this: "When is the graph completely horizontally flat?" The answer to this question is when x is between -4 and -2. This is where the graph is constant. All other intervals are either increasing or decreasing.
Saying "The graph is constant" basically means "constant rate of change", which is another way of saying that the graph isn't changing. Constant means it stays the same.
So this is why the answer is 
Note how only choice A has both endpoints in the negative region, so it is a quick way to spot the answer.
Answer: Commutative Property
Step-by-step explanation: In Picture.
If a Ferris wheel takes 45 seconds to make a complete rotation, in three hours it will have completed 240 rotations.