Answer:
EC = 15
Step-by-step explanation:
It appears that D, E, and F are the midpoints of their respective line segments (chords of the circumcircle). Hence EB = EC = 15.
16
Hope you get it.
You would just convert 5 1/3 into a improper fraction 16/3=16/3
2, -5
45,000
1: 4
2: 2
3: 8