Help! anyone know this answer

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults. how many students and adults went if the ticket charge was $42.75

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?