Which equation shows the total number of 1-inch cubes that fill the carton (please help me)​

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?

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work

Line ab contains points a(4, 5) and b(9.7). what is the slope of ab?