Second one tell me if im wrong
Answer:
6
Step-by-step explanation:
Chords within a circle are proportional. Proportional means that they form equal ratios. To solve for y, set up a proportion.
The ratios we will create will be
where each long and short form an angle.
So write:

To solve, cross multiply numerator with denominator.
12(4) = 8(y)
48=8y
6=y
Answer:
(x-1)3
3x-3
Step-by-step explanation:
I came up with this.
Answer:
Always
Step-by-step explanation:
Every square is a closed figure, and every square has 4 straight sides, so every square is a quadrilateral.