1) Shaquille wanted to buy some pizza for him and his friends. The cost 4 slices of pizza is $32, and 7 slices is $56. a) Does this situation represent a proportional relationship? Why? Explain your thinking.

b) What is the constant of proportionality?

c) If the situation a proportional relationship, what equation could be used to represent it?

d) If you were to graph the situation, what would the graph look like?

e) What would be the cost of 12 slices of pizza? Explain your thinking.

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean