The answer would be C. both plane A and B because it's on line s which lies on both planes.
3(j+4)-9=9
3j + 12 -9 =9
3j +3 =9
3j =6
j=2
Answer:
.
Step-by-step explanation:
Given:

We need to find 
Solution:
First we will find the value of
.
Now taking
on both side we get;

Now we will find the
.
= 
Now we will find
we get;

Hence
.
Answer:
129
Step-by-step explanation: