Help !!Which method can NOT be used to solve this problem? its not the last option can anyone help ?

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

How do you write something in scientific notation?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55