Find the solution(s) of the system of equations.
x²+y²=18
y=x+6
A) (3,3) and (-3,-3)
B) (-3,3)
C) (3,9)
D) (-3,3) and (3,9)
x²+y²=18
y=x+6
A) (3,3) and (-3,-3)
B) (-3,3)
C) (3,9)
D) (-3,3) and (3,9)