Seventy concert tickets were sold for $550. Each adult ticket cost $9 and each children's ticket cost $5.

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

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2

The graph of a function never has two different points with the same x-coordinate because