Answer:
B:25°
Step-by-step explanation:
Now
gets bisected by
.

Since, the angle is bisected, this means that the angle is split into two equal parts or the angle is halved.
We know that one of the angles is
so the other angle has to be
also.
Hence, the
.
Answer:
or x-25/2
Step-by-step explanation:
Is it like this?
y=-4+8
y=4
Is this what you need?
To solve this you simply divide .505 by 1 (0.505/1) and then multiply by 1000/1000 to get rid of the decimal, giving you 505/1000. If you want to return to decimal form you divide 505 by 1000.
Hope this helps!