Answer:
(C)81
Step-by-step explanation:
Total Number of Students =300
Percentage who had cats, n(C) = 40%
Percentage who had both cats and dogs ,
= 12%
Percentage who had neither cats nor dogs,
=45%
Now:
Universal Set, 

Therefore:
Number of Students who had dogs
=27% of 300
=81
1/2 is written as a decimal as 0.50
Quadrant 4 is the correct answer, and it's the only
The slope is 1.
Step-by-step explanation: