Stem|leaf data: 11 12 13 21 22 23
1|1 2 3
2| 1 2 3
You're basically just splitting the numbers up. Tens in the stem row and ones in the leaf row. I hope this helps you!
Point A is at (-5.1 , 3.3)
His shadow will most likely be 7 feet long
12squared add 5squared=144+25=169 B=square root of 169 which is 13