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5(-3+ k) = 20

What is (28 + 7 + 6 + 3) x 1/2 show your work

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?  

Evaluate cos2θ for cosθ = square root of 3/2