Answer:
Step-by-step explanation:
Given
Vector A has two units in length due to west i.e.

Vector B has one unit in length due to North i.e.

Also 
i.e. 
also 
i.e. 
From 1 and 2



A=18 !!! i hope this helps!
Answer:
8
Step-by-step explanation:
-(5 – 9) - (-2)(2)
-(-4) - (-2)(2)
4 - (-4)
4 + 4
8
Use PEMDAS
Answer:
B.ON THE EDGE
Step-by-step explanation: