Athin layer of paint is 7x10^-7 m thick. in contrast, a coin is 3.43 x 10^-3 m thick. how many layers of paint are in a stack that is the height of the coin?

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?

How can you construct perpendicular lines and prove theorems about perpendicular lines

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?