Answer:

Step-by-step explanation:
Solving for
given the equation,
:

Solving for
when 

That is a tenth degree equation.
The degree of an equation is the highest power it contains.
48.3 i’m pretty sure! your welcome:)
%60 because i dont know why actually
Answer:
see below
Step-by-step explanation:
The ASA congruence postulate is being invoked, so you're looking to show two angles and the side between them are congruent.
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Personally, I'd go at it differently. I'd say that alternate interior angles ∠C≅∠E means AE║CD, so ∠A≅∠D because they're alternate interior angles. B does not need to be a midpoint for this proof.