Transition to advanced mathematics (8th edition)
3.1
9. give the digraphs for these relations on the set { 1, 2, 3}
b) s = { (1, 3), (2, 1) }
d) s^-1, where s = { (1, 3), (2, 1) }
f) s (dot) s, where s = { (1, 3), (2, 1) }

Use the multiplier method to incrases £258 by 43%

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.