1. Solve the following system of equations by graphing. If the system is inconsistent or the equations aredependent, say so. 9x-4y=5 27x-12y=15
2. Solve the following system of equations by graphing. x+2y=6 2x+4y=36
3. Solve the following system of equations by graphing. 3x-2y=0 -3x-y=-18
4. x-3y=-3 x=3y=9