8. If set A equals the people in your class and set B equals the people in your class who wear braces. What is meant by A U B? * O A. All the people in your class B. The people in your class who wear braces C. The people in your class who not wear braces O D. None of the above

Which regions in the Venn Diagram below should be shaded to represent the set (A - B) UC? Select all that apply. O A. b B. a C. e 0 D. C O E. f OF g OG.h O H.d d e h C с B

At a music festival, there are seven bands scheduled to play, numbered 1 through 7. a. How many different ways can these bands be arranged to perform? b. If band 3 is performing first and band 1 last, then how many ways can their appearances be scheduled? a. There are different ways to arrange the bands. (Simplify your answer.) b. If band 3 is performing first and band 1 last, there are different ways to arrange the bands. (Simplify your answer.) Enter your answer in each of the answer boxes.

Which regions in the Venn Diagram below should be shaded to represent the set AnC? Select all that apply. O A. a B. b C. c D. d OE. e F. f 0 G. g O H.h A g h с B U