How to simplify x + 4 - 5x - 2?

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Which strategy is used by public health to reduce the incidence of food poisoning?

How do you write 600 as a product of its prime factors (index! )