Mia is seven yrs older than nick, who is 2 years older than leah. together their ages add to 23. how old is nick?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Can someone me with this? i’m not sure what to put for my equations.