Answer:
1: 12.96
2: 32.25
3: 169
4: 77mi
5: 65
Step-by-step explanation:
1:a^2+b^2=c^2 -> 17^2-11^2=a^2 ->sqrt of 168=a=12.96
2: 16^2+28^2=c^2 -> \sqrt{1040} =c=32.25
3:5^2+12^2=13^2 -> 169=169
4: you can form a triangle with this problem: 44mi=b and 63mi=a so you need to find c
