Somronr me with this one i really wanns learn so bad but i'm confused

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.