If WVX ~ RTS, find x.

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

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=

Plz hurry evaluate the expression a+b where a=8 and b=19