1)
Simplify: (3 + 4i) + (2 - 3i) - (5 - 6i)

Which of the following tables represents exponential functions?

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?  

How to do this , and can some one explain