15/9 =25/9x

I simplified it as much as I could but i'm stuck here:/

What is the first step of an indirect proof of a number that is divisible by two

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 slope of the line passing through a pair of points