Aaron’s age is three years less than Devon‘s age the sum of their ages is 31 find each of their ages

In the surface area formula for cylinders which expressionrepresents the lateral area

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

Need this asap if anyone can i would be very grateful. if you could show workings that would really