What goes here in the subtracting promblem?

After two years, how much has been paid into interest?

What is the range for 31,39,29,34,37,24,36,33,34,28

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)