Math ! i'm trying to use dot products and vectors for my pre-calc class..:
let u = < -6, 1> , v = < -5, 2> . find -4u + 2v.
i thought i knew how to do it but when solved i don't get any of the answers available:
< 34, -8> , < 14, 0> , < 14, 3> , < 44, -12>

answer: no

step-by-step explanation:

you are only given the cost not the amount of pounds.

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.