Find the total surface area of the cube, 2,2

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

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?