A bag contains 12 different colors of marbles. Which model could be used to simulate randomly selecting a certain color of marble? Each color is equally likely to be chosen.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

The length of time it takes to find a parking space at 9 a.m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)