It chord ab is congruent to chord bc what is the measure of

What is the measure of angle tvu shown in the diagram below

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

How can you tell when x and y are not directly proportional?