How may ways are there to to sit the committee in a row at a meeting if the freshman, sophomores, and juniors must sit by grade , but the seniors can sit wherever they want?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Which of the functions below could have created this graph?