Answer:
D. m+n=n+m
Step-by-step explanation:
Communitive property of addition just changes the order of the addend and the sum stays the same.
Answer: The numerical length of
is 20 units.
Step-by-step explanation:
Given: Point T is on line segment
.
i.e.
(i)
Since , it is given that ST=2x+6,TU=4, and SU=4x
Substitute these values in (i), we get

Now, the numerical length of 
Hence, the numerical length of
is 20 units.
Hey!
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Answer:
(-6, 2) and (-7, -1) and (0, 0)
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Explanation:
You reflected the triangle. You needed to translate the triangle.
y + 6 is to move up 6 units along the y-axis.
x - 5 is to move left 5 units along the x-axis.
Another thing, the question doesn't state was transformation to use so we are going to assume we are translating.
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Hope This Helped! Good Luck!