Answer:
6: 15miles
7: 17miles
8: No, because just by going to the grocery is 13miles (times2) that's 26
9: 11.2 (not sure)
10: No, he said 5miles, the park is 5.8miles away from his house. (you don't have to but rounded is 6miles so he cant reach the park)
Explanation:
Use the formula of a²+b²=c² (Pythagorean theorem)