26.90 is the answer. hope this helps!
There are 12 such shapes. One can start with two squares, adding squares around the edge and rejecting shapes that have been previously seen. Repeating until you have 5 squares results in 12 distinct shapes.
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2 shapes are possible with 3 squares: L, I
5 shapes are possible with 4 squares: L, I, N, T, O
Heather will be 6 and 7 months old
13)
Relative max on (2)
Relative min on (-2)