Answer:
1. 5.45
2. 0.94
Step-by-step explanation:
1A)5.45
1B)0.94
1A)
4.2
+1.25
5.45
1B)
3.4-2.46
0.94
there are nine ducks and 3 swans
sqrt of 9 equals 3
3 + 9 = 12