Sorry for the screen but i need 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

What is the difference between the predicted value and the actual value

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab