Write an expression and evaluate.
Sam earns time and a half for the hours he works over 38 hours a week. If he worked 42 hours last week and usually earns an $8 an hour, how much did he earn in overtime?

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

Which graph represents the equation y =4x

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?