A map of a small town identifies the town square as the origin (0, 0). Each block along a street is represented by one unit along the x-or y-axis. The clinic is at (5, 4)
and the pharmacy is at (3,-2). The pharmacist wants to install an overhead delivery cable directly between the pharmacy and the clinic to expedite deliveries.
What is the length of this cable to the nearest tenth of a block?
2.8 blocks
8.0 blocks
5.1 blocks
6.3 blocks