Write the standard form and then identify the center and the radius.
pls answer

Answer:
1. center (0,0)
radius:3
2.center (0,0)
radius 10.
3. center:(1,0)
radius: 8
4. center;(0,-5)
radius:13
5. center:(-4,0)
radius:8
Step-by-step explanation:
hope it helps