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I. $$ {4x^2=49}$$
II. $$ {9y^2-66y+121=0}$$<..
1.
I. $$ {4x^2=49}$$
II. $$ {9y^2-66y+121=0}$$
A.
A
B.
B
C.
C
D.
D
E.
E
Answer» D. D
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