Can someone find slope for 10-21 please

Which matrix multiplication is possible?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

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=