Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of two squares of two numbers is 85, and the difference of their squares is 13. Find the numbers.
A. 7 and 6, -7 and 6, or 7 and -6
B. 7 and 6, -7 and 6, 7 and -6, or -7 and -6
C. 7 and 6
D. 7 and 6 or -7 and -6
Answer: B
Mathematics
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