Aperson drives north 6 blocks, then turns west, and drives 6 blocks. the driver then turns south and drives and 6 blocks. how could the driver have made the distance shorter while maintaining the same displacement? a. by driving north 4 blocks and west 7 blocks. b. by driving west 6 blocks from the starting point. c. by driving south 6 blocks from the starting point d. by driving back to the starting point by the same route