Can someone tell me the right answer to this question pls and you

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=

Solve the triangle. a = 21°, c = 105°, c = 5

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42