Is

$8$c $+3$

an odd integer?

Yes, because $8$c $+3=2(4$c $+1)$ and $4$c $+1$ is an integer.

Yes, because $8$c $+3=2(4$c $+1)+1$ and $4$c $+1$ is an integer.

No$,$ because $8$c $+3=2(4$c $+1)$ and $4$c $+1$ is an integer.

No$,$ because $8$c $+3=2(4$c $+1)+1$ and $4$c $+1$ is an integer.

$($c$)$

Is

$($c$2+3)($c$23)6$

an even integer?

Yes, because $($c$2+3)($c$23)6=2(0)+1$ and $0$ is an integer.

Yes, because $($c$2+3)($c$23)6=2(0)$ and $0$ is an integer.

No$,$ because $($c$2+3)($c$23)6=2(0)$ and $0$ is an integer.

No$,$ because $($c$2+3)($c$23)6=2(0)+1$ and $0$ is an integer.