Convert 20 pints to quarts.

10 quarts
30 quarts
40 quarts
80 quarts

Which is the equation of a line perpendicular to the line with the equation 3x+4y=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?

An object in geometry with no width, length or height is a(n):