What is the least common multiples of 4,5 and 6?

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 a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?