Based on the information in "Edward Jenner and the History of Smallpox and Vaccination,” how does the author support the claim that the slave trade played a role in the spread of smallpox?

you can't answer this. more information is needed.

21 balloons is the story of professor william sherman's travels.

in 1883, he set off from san francisco for a balloon ride over the pacific and was found a month later floating with 21 balloons in the atlantic ocean. this seemed an astounding feat and everyone wanted to know what had happened.    

professor sherman was loyal, however, and said he would tell his tale first to the western american explorers club in san francisco, of which he was a member. this built up suspense for several chapters before he began to tell of the wonders of his adventures and the amazing island of krakatoa, an island which had just been blown up by a volcano.  

the residents of krakatoa are all millionaires who live under a "gourmet government" of their own devising. we get to see all the incredible adventures that creative people with unlimited resources would create according to the author.

18≥1.5x

then you're going to want to divide 18 by 1.5. this equals 12. so the answer would be 12.

aka, you can buy 12 peppers, at most.

put the writers story more into first persons point of