Answer: Two regular octagons and eight congruent rectangles
Step-by-step explanation:
An octagon has 8 sides and the shapes on the bottom of the shape are 8 rectangles.
The answer is D. First, it is the segment addition postulate because the two segments make up the whole. Second, it's substitution because you are substituting EF + FG for FH.
Hope this helps!
Answer: 
Step-by-step explanation:


Normally we wouldn't have our square variable be negative, so in order to get rid of that negative sign without changing the equation is by multiplying by -1

Answer:x= 0.5,−3
Step-by-step explanation:
Answer:
x^2-4x+<u>4</u>=(<u>x-2</u>)^2
Step-by-step explanation:
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