Find the length of the line joining the following points.
1. P(-4,3) and Q (5,16)
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Find the solutions for a triangle with a =16, c =12, and b = 63º

Which expression is equivalent to 3^3 + 2^2?

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?