What is the distance between (-4,1) and (1, -3)?

If the measure of xyz is 81 what is the measure of yz

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 many ordered pairs of positive integers satisfy xy=32?