Tickets for the school concert were 3$ and 2$. if 245 tickets were sold for a total of $630, how much of each kind were sold?

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?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Me n o w. i need t h i s. 10 points