1.A sum of $9, 000 paid into a bank account for two months (61 days) to attract simple interest will produce $9, 020 at the end of the term. Find the interest rate r and the return on this investment.

What is the measure of angle afe? 79 81 91 99

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.

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.