Pls I need help I only have 1:30 mins left

What could explain what happened when the time was equal to 120 minutes

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

What is the relationship between all triangles that can be drawn given the same three angles