Zach is 4 years older than maya. maya is 15 years old.

after correctly carrying out the solve step of the five-step problem-solving plan, which solution should you arrive at to find zach’s age?

7

11

19

23

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