Question

Answer and question is in the pictures.

Answer 1

Answer:

< - 52, 48 > and 70.77

Step-by-step explanation:

2v - 6u

= 2<- 11, 3 > - 6 < 5, - 7 >

= < - 22, 6 > - < 30, - 42 >

= < - 52, 48 >

| 2v - 6u | = $\sqrt{(-52)^2+(48)^2}$ = $\sqrt{5008}$ = 70.77