What is the slope of a line perpendicular to 2x + y = 8 ? A. 8
B.
C. -2
D. -

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?  

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2.5 milligrams is equivalent to how many grams