Answer:
Plz see the answer behind it.
Step-by-step explanation:
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x^2 + y^2 - 4y - 15 = 6
x^2 + y^2 - 4y = 21
x^2 + y^2 - 4y + 4 = 25
x^2 + (y - 2)^2 = 5^2
r = 5
X≤3
This is because the arrow is moving down the number line
7/20
given,
2r = 7/10
r= 7/10*1/2
r= 7/20
