Answer:
21
Step-by-step explanation:
126/3=42
126-42=84
84/4=21
63 are dogs
42 are cats
and 21 are rabbits
Answer: 1st one, porpostional
Step-by-step explanation:
Answer: First option is correct.
Step-by-step explanation:
Since we have given that

We need to find the correct difference.
Collect the like terms together.

Hence, First option is correct.
Answer:
A. y= -3x - 1
that's the answer of you substitute the figures in x into where x can be located in A