I know I did some questions already but can someone answer them all for me to see if I got them wrong or right answer quick please

Anyone know? will mark brainliest if correct

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

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