Who was the hellenistic (greek) mathematician who invented the compound pulley and is known for his work with the laws governing simple machines? a. pythagoras b. euclid c. archimedes d. hippocrates

What event ensured england safe passage to colonize north america? a) many englishmen desired more religious freedom than the king allowed. b) england's government decided to take advantage of america's wealth of resources. c) england's defeat of the spanish armada in 1588 opened up the seaways. d) cabot claimed the north atlantic coast for england in 1497.

Which of the four planes was hijacked first? a. flight 175 b. flight 77 c. flight 11 d. flight 93

Could anything have been done through compromise to stop it, or did it have to happen?