exam Maths Puzzle Numerical Ability

Expand and simplify completely (2x-3y)power of 6. (use NO decimals.)

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exam Other Question

Jan is flying a plane on a triangular course at 320 mi/hr. she flies due east for two hours and then turns right through a 65o angle. How long after turning will she be exactly southeast of where she started?
Thank You How do you do find the area of triangles with these points: (3,4)
(-1,3) and (6,-2) ? here is what i have tried.
[[341]
[-131]
[6-21]]. after that i get stuck. can you guys pl