Acircle has a radius of 119.3 mm. what is the circumference of this circle? use 3.14 for pi. round your final answer to the nearest tenth. enter your answer as a decimal in the box.

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

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?

Having a hard time understanding this question (see attachment).