Find the values of x and y which satisfy the following equations

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

How do you determine if an ordered pair is a solution to a given equation?

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?