(x+8)^(2) + (y+9)^(2) = 169
(x+8)^(2) + (y+9)^(2) = 13^2
h = -8
k = -9
r = 13
answer
A. center (-8,-9)
radius = 13
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(x-7)^2 + y^2 = 225
(x-7)^2 + y^2 = 15^2
h = 7
k = 0
r = 15
answer
B. center (7,0)
radius = 15
Answer:
see the procedure
Step-by-step explanation:
we have

Remember that

To convert m to km multiply by (1/1,000)

To convert sec to min multiply by (1/60)
substitute

The volume is 0.52 mm^3
Answer is C
Hope it helps!