What did the writings of ptolemy and archimedes make obvious?

Why was the al-qaeda terrorists organization established

Javier is considering two options for college. option a: complete the first two years of schooling at a community college and then transfer to a university. option b: complete all four years of schooling at the university. community college financial analysis costs per year financial aid package per year tuition & fees scholarships & grants $3,000 $1,000 room & board $1,000 university financial analysis costs per year financial aid package per year tuition & fees scholarships & grants $10,000 $15,000 room & board work-study $11,500 $4,000 which statement about the cost of the options is true? option b will save him $1,000. option b will save him $2,000. option a will save him $14,000. option a will save him $17,500.

Search america's open door policy with china beginning in 1899. explain how relations with the united states and china have changed and the effects of the open door policy on both countries.