How many students can sit around 6 tables in a row arrangement?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

How much would it be worth in 5, 10, 20 years

What is the quotient of 3x^4+22x^3+37x^2-7x+10