Complete each proof using the properties of equality. Not all rows may be used.

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

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?