How do you simply this problem?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?