Some wanna help with my math -

-12 - 2 =

What is the quotient of -3/8and-1/3?

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 length of the unknown leg in the right triangle ?