Samantha bought 4.5 pounds of pears. each pound cost $1.68. how much did samantha spend in all?

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?

He concluded that a heavier object dropped from the same height as a lighter object will land

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=