Aquadratic equation is shown below:

9x2 - 16x + 60 = 0

part a: describe the solution(s) to the equation by just determining the discriminant. show your work.

part b: solve 4x2 + 8x - 5 = 0 by using an appropriate method. show the steps of your work and explain why you chose the method used.

part c: solve 2x2 -12x + 5 = 0 by using a method different from the one you used in part b. show the steps of your work.

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?