21.59-13.09= 8.5 cm
if its centered, it will same distance from the margin from the left and right.
So its distance from left or right margin is 8.5/2 = 4.25 cm
Answer:
a. <-28, -8>
Step-by-step explanation:
The given vector is
u = <-7, -2>.
To find 4u, we multiply the given vector by the scalar 4.
4u =4 <-7, -2>.
4u =<-7\times4, -2\times4>.
We multiply out to get;
4u =<-28, -8>.
The correct choice is a. <-28, -8>
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