285 hours because there is 264 hours in 11 days and then you just add the 21 to the 264 because they're asking how many hours did each rider ride individually, not all together.
Answer = C
because all are not in set pairs only no. C is pair of set
Native American deaths were mainly caused by the introduction of new diseases and weapons brought mainly by Europeans.
Eight below zero would express the value -8, negative eight,
but not 8.
N=1/5 I think i had this question before.
