Step-by-step explanation:
Congruent means the same. You can prove that the two triangles are congruent by the measurements and also if they look the same. You can also see if parallelograms are congruent by seeing if they are the same. They also have to mirror the image of the other. Your welcome :)
7 . 0.05145631067 the answer to 7
There are 50 total patrons. 16 like lattes, 12 like espressos, and 8 like both drinks.
Add the two totals for patrons that like either lattes or espressos:

8 patrons like both drinks, so subtract this from the amount of patrons that like either drink:

20 patrons like at least one drink.
Subtract the amount of patrons that like a drink from the total amount of patrons:

30 patrons like neither drink.
I think the answer might be B
(6,-5) (6,-8)
y2-y1/x2-x1
-8+5/6-6
-3/0
Undefined should be the answer. Hope this helped (: