Answer:
See below
Step-by-step explanation:
We have to show that 
is an unit vector.
To show this, we will find the modulus of and if its value is 1, it will be a unit vector.
So,
Thus, is a unit vector.
Answer:
b
Step-by-step explanation:
hope it helps byeeeeeeeee
Well she can buy 4 of the ten packs though that would give her five extra, she could buy 35 single note pads which would give her the exact amount, or she could buy 3 of the ten packs and 5 of the singles.
The first one is the answers
Answer:
76 natural number not including the first
Hope this helps <3 Comment if you want more thanks and be sure to give brainliest (4 left) <3
