Circle your final answer. For questions $1-10$ evaluate at $t=2.$

$y^{\text{'}\text{'}}-6y^{\text{'}}+9y=t{e}^{3t},y(0)=0,y^{\text{'}}(0)=2$

$y^{\text{'}\text{'}}+16y=8cos(4t),y(0)=y^{\text{'}}(0)=2$

$y^{\text{'}\text{'}}-4y^{\text{'}}+4y=6e^{2t},y(0)=y^{\text{'}}(0)=1$