Answer:
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Step-by-step explanation:
x ∉ R
x² = - 21
if x² < 0 => x ∉ R
The ordered pair that is not on the graph is (-4,46)
34.6= b
a^2 + b^2 =c^2
13^2+b^2= 37^2
169+b^2= 1369
-169 -169
b^2 = 1200
b= 34.6
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