Help ASAP due today

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?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?