Find the area of the triangle.
A) 78 m2
B) 175 m2
C) 196 m2
D) 350 m2

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.