Jaden goes to dinner with his family. Their total bill comes to $52.25. They received great service, so they decide to leave a 20% tip. How much should they leave for a
tip?
$16.12
$1.05
$10.45
$2.61

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?

It says factor each expression 49x-28?

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1