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what is the equation of this circle in standard form?

a (x − 5.5)2 + (y − 4)2 = 3.5
b (x + 5.5)2 + (y + 4)2 = 12.25
c (x + 5.5)2 + (y + 4)2 = 3.5
d (x − 5.5)2 + (y − 4)2 = 12.25

plato users the answer is B (x+5.5)^2+(y+4)^2=12.25

Step-by-step explanation:

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0