Answer:
Step-by-step explanation:
The slope of line AB is

The slope of line CD is

Since the slopes multiply to
, these lines are perpendicular to one another.
48 lol I think
120 x 80%
80% because 4/5 of his text are to friends
96/ one half
One half because half of his text are to her
Answer:
2
Step-by-step explanation:
X = 8
y = 4 + x + 6
(Replace the varibales)
y = 4 + 8 + 6
(Add)
y = 18
So the value of y is 18.