Angles 2 and 4, and Angles 3 and 5 are supplementary. Supplementary means two angles add up to 180 degrees (aka a straight line).
Answer:
n = - 12
Step-by-step explanation:
Isolate the term in n by subtracting 4 from both sides
= 6 ( multiply both sides by - 2 )
n = 6 × - 2 = - 12
<h3>Answer: Choice C</h3>
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Explanation:
The x coordinate of the preimage point Q is x = 6.
The x coordinate of the image point Q' is x = 21.
The ratio of image over preimage is 21/6 = (3*7)/(3*2) = 7/2
You'll get this same value if you do the same steps with the y coordinates.
Therefore, the scale factor is 7/2 and the dilation rule is 
Note: 7/2 = 3.5
A^2+b^2=c^2
there for 5^2+14^2=221
then you take the sqr root of 221 to find c
the square root of 221 is 14.86606875
which rounds to 14.9
so the answer is D