What is the first step when you simplify 5(square root symbol)164

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

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?  

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.