Question in the image. Round to the nearest tenth.

In the 30-60-90 triangle below side s has a length of and side r has a length

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?  

Which of the choices shown could be used to prove that aacp=abcp ?