Please can you help me solve the question on the sheet like the one above

Find the solution of this system of equation -7x+y=-20 9x-3y=36

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

If you apply the changes below to the linear parent function f(x)=x what is the equation of the new function vertically stretched by a factor of 3 flip over the x axis