PLZ HELP ITS URGENT

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

9/10 divide by -3/15 as a mixed number

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !