>Happy 18th!
>
>Solve z in the following and you'll catch up with me :-)
>
>x=Mike's Age in years
>
>z=(x*y)+(y*y)

This isn't fair! You can't use one formula to solve for two unknowns. There is an infinite number of possibilities.

If you limit the values to whole numbers, you can take an educated guess. Looking at your picture, I think y=3! < gd&rvvf >