Let X Represent One Number and Let Y Represent the Other

Multiple Choice

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 the squares of two numbers is 37. The difference of the two numbers is 7. Find the two numbers.

A) -6 and 1
B) -6 and 1; -1 and 6
C) -6 and -1; 1 and 6
D) -1 and 6