True or false. the function is the product of 400 and a factor that does not depend on the initial number of visitors

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?