Tiana and shania love to play video games. when they first became friends, tiana had 5 games and shania had 9 games. each year they each added 2 more games to their collections. is the relationship between the number of video games tiana has and the number shania has proportional? if so, what is the constant of proportionality?

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