What is the measure of arc LI and is it a major arc or minor arc

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?  

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.