Mary is 60 inches tall. her cousin, dona, is 140 centimeters tall. is mary taller or shorter than her cousin?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

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?