Plz help

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

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Round to the nearest ten thousandth.i dont get this