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In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

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?  

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)