Ineed with finance!
what is the payback period for a lottery winner with a present value of 300,000 discount rate of 4% and a payoff period of 30 years? the pictures included give more clarity of the instructions.

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Which of the following expressions is equal to 2x^2+8

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65