Derek deposited 3000 in a simple interest account 3 years ago. he has earned 360 in interest so far what is the interest rate for his account

What could explain what happened when the time was equal to 120 minutes

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)