What is the greatest common factor of 56 and 84

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

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?

How do you find principle and simple interest