Given that (-2,-5) is on the graph of f(x), find the corresponding point for the function f(-2/3x).

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

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?  

If sin(x) = 0 and cos(x) = 1, what is tan(x)?