How does y=-x^2 reflect compared to the parent function

In trapezoid bath, ah=19.7 and et=16.1. identify be.

1. what is the measure of ∠abc? what is the measure of ∠abd?

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?