13(10+2) could be used to simplify which of the following problems 130(26), 13(12), or 13(20)

This is about circle theorems. someone asap : (

Are the corresponding angles congruent? explain why or why not.

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?