Answer:
3
Step-by-step explanation:
6 have visited a zoo.
6 have visited a factory.
3 visited both.
Of the 6 who visited a zoo, 3 also visited a factory.
Of the 6 who visited a factory, 3 also visited a zoo.
Here is the list of students:
3 visited a zoo but not a factory.
3 visited a factory but not a zoo.
3 visited both.
Answer: 3
When the slopes of two lines are equal,they are parallel.

so the equation of the parallel line to this one is :

hope this helps
Answer:
5/6
Step-by-step explanation:
The slope is y change over x change so...
-2-3 over 1-7 which is -5 over -6 which is simplified to 5/6.
Hope this helps :D
Answer:
b
Step-by-step explanation:
u just have to think about it
Answer:
5.5
Step-by-step explanation: