PLEASE HELP GUYS/GIRLS

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

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°