Answer:
it is a right
Step-by-step explanation:
the two other angles add up to 90, which makes the last angle 90 degrees, since a triangle measures a total of 180 degrees.
Answer:
B.) Invalid Argument
Step-by-step explanation:
Just because Fido is not a cow does not mean that he will automatically be brown. It is already stated that some cows(something Fido is not) are colored brown.
Answer:

Step-by-step explanation:
For this case we need a line parallel to the plane x z and yz. And by definition of parallel we see that the intersection between the xz and yz plane is the z axis. And we can take the following unitary vector to construct the parametric equations:

Or any factor of u but for simplicity let's take the unitary vector.
Then the parametric equations are given by:



Where the point given 
And then since we have everything we can replace like this:




That would be the median....u need to list the numbers in order to find the middle number (median)
Answer:
-18y=1
Step-by-step explanation:
Sorry if this is wrong, I was just guessing...