Answer:
D. Undefined
Step-by-step explanation:
It is a vertical line so it has no slope.
I believe that y is equal to -5.
y=-5
4.8 pounds, set it up as 4 over ten times x over 12, 4 times 12 divided by ten equals 4.8
Answer:

Step-by-step explanation:
Since there are 20 students, this will be the denominator.
Now, to find how many students have a dog and a cat, you need to subtract all the numbers with 20. The leftover number will be the amount of students.
7+8+8=23
23-20=3
So, there are 3 students who have a dog and a cat.
So, the fraction will be 