Is 100,60,50 a right triangle

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

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

Which compound inequality could be represented by the graph?