Q 7: Find the solution set of natural numbers such that x+y = 6. {(1,5),(2,4),(3,4),(4,2)} {(1,5),(3,3),(4,2),(5,1),(6,1)} {(1,5),(2,4),(3,3),(4,2),(5,1)} {(2,4),(3,3),(4,2),(5,0)}

Q 8: Solve the system graphically and choose the correct answer:
y  x = 3
y + 2x = 3 lines coincide lines meet at one point lines are parallel
