A bird was sitting 88 meters from the base of an oak tree. It then flew in a straight line 99 meters to reach the top of the tree. ​How tall is the tree?

​The tree is ​ meters tall.

​Note: Round your answer to the nearest tenth.

What number must you add to complete the square x^2+12x=16

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

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