Answer:
and 
Step-by-step explanation:
If the price for each dog is n+w+h,
Then the price for 4 dogs would be 4 times the sum of n, w, and h:

And can also be written as
using the distributive property.
Answer: -3
Step-by-step explanation: 15 - 18 = -3
Given:
Side length of square = 2 in
To find:
The area of the square
Solution:
Area of the square:
Area = side × side
= 2 in × 2 in
Area = 4 in²
Therefore, the area of the square is 4 inches².
Answer:
B. 66
Step-by-step explanation:
Substitute x = 3
Multiply in the parentheses
(6 + 192) Add
(198) Multiply
66