Determine whether the following grammar is an ll grammar by performing the pairwise disjointness test, showing the first sets of each rhs of each nonterminal:
a -> aab | bbb b -> ab | ba | cc c -> aab | c | cab
in the above productions upper case letters are nonterminals and lower case letters are terminal symbols.

Carlos, an algebra teacher, is creating a series of powerpoint presentations to use during class lectures. after writing, formatting, and stylizing the first presentation, he would like to begin writing the next presentation. he plans to insert all-new content, but he wants to have the same formatting and style as in the first one. what would be the most efficient way for carlos to begin creating the new presentation? going under the file tab and opening the first presentation, deleting all content from each page, and adding new content going under the file tab and clicking on new in the left pane, then choosing new from existing going under the design tab and clicking on themes, then selecting the theme that was used for the first template going under the design tab and opening the template that was created for the first presentation