The continuously compound interest rate is 12%
a) You invest 1000 at this rate. What is the investment in 5years?
b) What is the pv of 5million to be received in 8 years?
c) What is the pv of a continuous stream of cash flows amounting to 2000 per year starting immediately and continuously for 15 years?

Per the policy of this site, we can't give you the answer to the questions, but we can help. You have to tell us what you need help with. Do you know the compound interest formula? Are you having trouble setting up your equation? Let us know so we can help.