Question $1.$ Describe in words the following formal language:

$-\backslash$Sigma $=\{$a$,$ b$\}$

$-$L $=\{$a$,$ abb, abbaaa, abbaaabbbb, abbaaabbbbaaaaa, $...\}$

Question $2$: Describe in words the following formal language:

$\backslash$Sigma $=\{$a$,$ b$,$ c$\}$

L $=\{$acb$,$ aacbb, aaacbbb, aaaacbbbb, $...\}$

Question $3$ Consider the following language described in words: Now specify the language in formal terms $($i$.$e$.,$ give me the alphabet and the set of expressions$).$

The language of expressions with an even number of a$$s followed by a c and then the same number of b$$s$.$