5% as a decimal and fraction in simplest form

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 (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

In the diagram, gef and hef are congruent. what is the value of x