At Colin's school, the pep club is selling two-colored tie-dyed shirts. Refer to the tree diagram. How many combinations of colors can you conclude are available? Question 8 options:

3 combinations are available

12 combinations are available

6 combinations are available

9 combinations are available

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

|p| > 3 {-3, 3} {p|-3 < p < 3} {p|p < -3 or p > 3}