find the radius of a circle in which the central angle, a, intercepts an arc of the given length s, a=150, s=44km

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

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 f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)