Answer:
yes x=4 is a solution
Step-by-step explanation:
45x = 180
divide each side by 45
45x/45 = 180/45
x = 4
x=4 is a solution
Answer:

Step-by-step explanation:
The distributive property: <em>a(b + c) = ab + ac</em>.

<u>Supplementary:</u> N and M
Supplementary angles: A pair of angles whose sum is equal to 180°.
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<u>Vertical:</u> N and R
Vertical angles: A pair of opposite angles that are made by two intersecting lines.
<u>Complimentary:</u> P and Q
Complimentary angles: A pair of angles whose sum is equal to 90°.
Hope this helps! :D
15 16 and then 17 to be an equilateral