Find X in the triangle please!

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

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 t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=