8 different names were put into a hat. A name is chosen 118 times and the name Grace is chosen 13 times. What is the experimental probability of the name Grace being​ chosen? What is the theoretical probability of the name Grace being​ chosen? Use pencil and paper. Explain how each probability would change if the number of names in the hat were different.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

What is the product? a-3/15a × 5/a-3

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?