Which scenario represents the expression 4x - 4 select yes or no for each scenario

Jack earns $4 per hour but owes his parents $4; x represents the hours he works

Alex is 4 times older than 4x Ava’s age; x represents Ava’s age

A store has a 4% discount on gloves; Mike bought x pairs of gloves at $4 a pair

Jane bought x number of tickets at $4 each and had a coupon for $4 off the total cost.