Factor completely: r2-11r+18
A.) (r-6)(r-3)
B.) (r+6)(r+3)
C.) (r-9)(r-2)
D.) (r+9)(r+2)
A.) (r-6)(r-3)
B.) (r+6)(r+3)
C.) (r-9)(r-2)
D.) (r+9)(r+2)