in an experiment, researchers record the amount of time it takes for a dog to naivigate through a maze and find a treat. the observed times, in seconds, are: 57, 57, 68, 72, 74, 77, 80, 88, 96, 105. what is the interquartile range of the observed times

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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?