Mei Li:
What pioneer trail started in Independence, Missouri and ended in the Willamette Valley??
Shuai Zheng:
oregon trail
Mei Li:
G Kennedy Thompson was fired in June 2008 from which US bank and early victim of the credit crunch??
Shuai Zheng:
wachovia
Mei Li:
What is the mathematical name for series such as 2, 6, 18, 54 etc where the next term in the sequence is obtained by multiplying the previous one by a fixed number??
Shuai Zheng:
geometric