S= △D/△T
Solve for "△D"

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?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Given abcd ac=38 and ae=3x+4 find the value of x