Please answer number three I give brainliest thank y’all so much!

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?

Which of the following points is collinear with (-2,1) and (0,3)

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees