Which algebraic expression is equivalent to this expression?

3(2x − 8) – 11x

a.
-17x – 24
b.
-17x – 24
c.
-5x – 24
d.
-5x – 8

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?

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

The anwser cause i do not understand just plez