Answer:
Step-by-step explanation:
ABCD is a rectangle.
AB CD
BC AD.
We know that and , by definition of rectangle.
Additionally, , by condition of perpendicularity.
Replacing, we have
Therefore, the slope of BC is -7/2.
6. B) 115
7. B) 180 - (180 - 90 + 30) = x
is it 4.8, I don't really know
87 I am getting points yayyyy