Sztuka inwestowania

Hey math geeks, I’m in need of a bit of math homework help. The issues are based on complicated equations, and I cannot get a hold of the concepts. If anyone here has a talent for math or likes to solve problems, I would be very grateful if you could help me. You are welcome to post tips, explanations or solutions. Let’s make this a teamwork to win over the world of numbers. If you are up to the challenge, please drop a comment below. Thanks in advance!