Step-by-step explanation:

[Taking a common from each term]


Hence,

Answer:
11
Step-by-step explanation:
2-8 you need to minus the first number
-9 -4 = -13
-4 - 3 = -7
vector is <-13, -7>
Answer:
its always wrong
Step-by-step explanation:
any variable always has a holder of 1
so 01b doesnt equal 4