1.

If (15x + 7y) : (7x + 15y) = 29 : 37, then (15x2 + 7y2) : (7x2 + 15y2) is equal to:

A. 37 : 67
B. 67 : 37
C. 67 : 43
D. 43 : 67
Answer» E.


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