How do I find the missing number in the 3rd box?

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.

If you answer 2+2 you will get over 80 points

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form