A car company claims that it's new sedan will have a mean gas mileage greater than 30 miles per gallon in the city. What type of tail is this test using?

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?  

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.