Add the following fraction. 1/4+2/4

I’m which figure is point g an orthocenter

Find the area of the regular hexagon if a side is 20 cm.

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?