Which system is represented by the graph?
A. y=3x-2 y=3x-1
B. y=-3x-2 y=-3x-1
C. y=1/3x-2 y=1/3x-1
D. y=3x+2 y=3x+1

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.