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Mathematics 22 Online
OpenStudy (anonymous):

Let u = <-5, 1>, v = <7, -4>. Find 9u - 6v.

OpenStudy (anonymous):

<18, 18> <-87, 33> <-36, -18> <-3, -15>

OpenStudy (anonymous):

Nevermind! I got it! (: It's <-87, 33>

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