The equation for a circle with center at (0,0) and radius r is:
x^2 + y^2 = r^2
x^2 + y^2 = 16
Answer:
b
Step-by-step explanation:
5x10=50
50x4=200
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I think it is C randomly select some city residents from a list of all residents sorry if i am wrong oh and sorry i am late