How much would $500 invested at 4% interest compounded continuously be worth after 7 years, round to the nearest cent

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Does anyone know how to do geometryme with this problem