If you are trying to find h, then its very simple.
So lets see 5+7=12
So 17-12=5
So lets check to see if h=5
5+5+7
5+5=10+7=17 so h is 5. :)
To square a number means to multiply it by itself. So 9 squared would be:
9x9
Which is
81
I hope this Helps!
I'll gladly help you, but I can't really read that.
