What is the area of this circle?

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0