Answer:
B
Step-by-step explanation:
You must subtract the small volume from the bigger volume in this case you must do 
Simplified is B
The cross of the position vectors is
.. [5, 2, 2] × [6, -1, 1] = [4, 7, -17] . . . . . the normal vector of the desired plane
Since the origin is a point in the plane, its equation can be written as
.. 4x +7y -17z = 0
Answer:
18.975
Step-by-step explanation:
I hope this is right but i did 60 times 4 =240. then I divided 4554 by 240 but i hope this works and can yhu mark me brainliest
Step-by-step explanation:

Hence, coordinates A(2, 1), B(7, 1), C(2, 4) form a triangle.