10. I have attached the graph with both points. They are 8 units apart. You can count four units up to the x-axis from (-3,-4) and the count another 4 up to (-3,4)
11. City hall (0,0) Police (0,-4) 4 blocks
12. Art (6,1) Animal (6,-2) 3 blocks
13. Hospital (-6,-4), Cemetary (3,-4) 9 blocks
14. Hospital (-6,-4), Police (0,-4) 6 blocks
Hope that helps
