[QII Two balls are chosen randomly from an urn containing 8 white, 4 black, and 2 orange balls. Suppose that we win $2 for each black ball selected and we lose $1 for each white ball selected. Let X denote our winnings. a. b. c. d. Write out the range of X. Write out the probability mass function of X. Write out the cumulative probability function of X. Calculate the mean and standard deviation of X.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Reflect the point (7,0) across the y-axis

Problem situation: caren is making rice and beans. she can spend no more than $10 on ingredients. she buys one bag of rice for $4.99. beans cost $0.74 per pound. how many pounds of beans, x, can she buy? inequality that represents this situation: 10≥4.99+0.74x drag each number to show if it is a solution to both the inequality and the problem situation, to the inequality only, or if it is not a solution.