25 points. Evaluate -2 - (-4) -2

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?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

The suare root of 9x plus 7 plus the square rot of 2x equall to 7