The governor is making a visit to your school and you need to assign seating for 14 students. unfortunately there are only six seats in the front row. in how many different ways can you select and arrange the six lucky students?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.