The answer to the above question is three
Answer: It's the first 3, not the last one
Step-by-step explanation:
Confusing! But if the planes have two points in common, they intersect.
The last choice is the top and bottom. They have no edges in common, so they don't intersect
Answer:
x=4.8
This here you use Pythagorean Theorem.
Step-by-step explanation:
a^2+b^2=c^2
The longest side is c. And the two legs are a and b.
So it'd be 11^2+x^2=12^2
121+x^2=144
Subtract 121 from both sides.
x^2=23
Then take the √ of x^2 and 23
So √x^2=√23
x=4.8
Hope this helps
Answer:
THIS IS HARD
Step-by-step explanation:
Answer:

Step-by-step explanation:


Simplify

If you have any more questions please let me know.