If f(x) = x^2 + 1, find f(a + 1). 1. a^2 + 2 a + 2
2. a^2 + 2
3. a^2+ a + 1
Please answer quickly!

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.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?