$(2$ points$)$ Section $1\mathrm{.}2$ Question I:

How many substrings aab are in $w{w}^{R}w,$ where $w=$aabbab $?$

$($I point$)$ Section $1\mathrm{.}2$ Question $8$:

$**$ Are there languages for which $\frac{?}{\text{b}\text{a}\text{r}}(L^{**})=(\frac{?}{\text{b}\text{a}\text{r}}(L){)}^{**}?$