Two numbers have ratio of 12:5 their difference is 49 find the two numbers

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

See attachment below and find the equivalent of tan(∠qsr)

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?