Can't see the photo fully! Sorry!
Answer:

Step-by-step explanation:
Hello There!
The angle labeled 6x is a right angle
If an angle is formed using the diameter of a circle then the opposite angle of that side is a right angle
So 6x = 90
isolate the variable
divide each side by 6
90/6= 15
6x/6=x
we're left with x = 15
Answer: 30
Step-by-step explanation:
21+39/2
=30
Answer:
BALSS
Step-by-step explanation:
GURL Y DO YOU HAVE SO MANY MARBELS ???