PLEASE HELP!! Given the vectors u, v, and w below, evaluate the following expressions:

u= <3,7> v=<4,-5> w=<-2,9>

Find -2.5w

A. <5, -22.5>

B. <-5, 22.5>

C. <5, 22.5>

D. <-5, -22.5>

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