Solve the system of equations
{ y^2 + x^2 =10 y+x=4
a. (3, 3), (1, 1)
b. (3, 1), (1, 3)
c. (5, 1), (1, 5)
d. (5, 3), (1, 5)
e. no solution
{ x^2 + y^2 =8 x+y=4
a. (2, 3)
b. (4, 2)
c. (3, 4)
d. (2, 2)
