Annual college tuition increases since 1970. In 2000-2001 year tuition in 4yr university increased to $3506. 1st is this an arithmetic or geometric problem.
2nd-Assuming that the rate of tuition increase remains the same. Find average annual tuition at a 4yr university for 2006-2007 yr. Let n=1 to represent 2000-2001 yr and r=1.045

Write a rule of sequence for: 14/3, 14/9, 14/27?

Write a rule of sequence for: 14/3, 14/9, 14/27, Is it start with 14 and multiply by 1/3 repeatly. Or Is it start with 14 and multiply by 3 repeatly. I think it is the first one

] I think it is the first one

Yes, but the sequence starts with 14/3, not 14.