keellsssss1m keellsssss1m 22-03-2021 Mathematics contestada West of Checkpoint A, which is at (0,5), are two hurdles that Helena needs to jump over. Hurdle 1 is 4 units west of Checkpoint A, and hurdle 2 is 3 units west of hurdle 1. Checkpoint B is 2 units west of hurdle 2.