Answer:
The answer is D. -5
Step-by-step explanation:
Since AB is parallel to CD, their slopes are the same. Parallel actually means to have the same slope.
Recall that

which means

Now,
could be positive or negative, which means
. If we specifically knew the sign of
was positive, then we can simplify and write

or if it's negative,

Answer:
All numbers greater than or equal to -3.
Step-by-step explanation:
Just took the edge test.
1777/10000. might simplify