Answer:
A and D is correct .
Step-by-step explanation:
Answer:
-3x-3y-z=38
Step-by-step explanation:
To find the equation of the tangent plane you can use

the point P is (-6,-6,-2). Hence you have

hope this helps!!
Answer:
C
Step-by-step explanation:
This makes the most sense.
Answer:20
Step-by-step explanation:
17 + 3 = 20
20 + 3 = 23