Oh 9i is a root of the polynomial function f(x), which of the following must also be a root of f(x)? a. -9i b. -1/9i c. 1/9i d. 9 - i

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

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.

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest