Simplify each expression:
a: -60/-12
b: (-1/2)(1/2)
c: 40/-8
d: (-1//4)

there are negative

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

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?

What is the ratio of the length of an object in yards to the length of the same object in miles?