Answer:

Step-by-step explanation:
Given


Required:
Calculate the angle between u and v
The angle
is calculated as thus:

For a vector


becomes




For a vector


So;






So:






Take arccos of both sides





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<em> (approximated)</em>
Answer:
30
Step-by-step explanation:
20+12-E=2
32-E=2
-E=-30
E=30
Answer:
B. (2, 2)
Step-by-step explanation:
The coordinate (2, 2) is the only thing they share in common, both lines intersect each other on that coordinate.
Answer:
598
Step-by-step explanation:
garden table 51
the bench?
51+598