Answer:
It is proved that
.
Step-by-step explanation:
We already have the identity of x as
.......... (1) .
So, from equation (1) we can write that

⇒ 
⇒ 
⇒
Hence, it is proved that
. (Answer)
I’m pretty sure it’s b but idk 100% sorry if it’s wrong
Answer : every point on a line satisfies the related linear equation.A point that is on both lines (the intersection point) satisfies both equations.
Answer:
$16
Step-by-step explanation: I did the math in the comments.
It’s similar to D because they are going to have the same measured angle