Answer:

Step-by-step explanation:




The perimeter is 72 because all sides on a square are the same measurements so you just have to do 18 times 4 to get 72
Answer:
A
Step-by-step explanation:
empirical formulas are the simplest form of notation so they provide the lowest whole number ratio between the elements in a compound
The answer is 4 and 3. 4 for the x axis and 3 for the y axis
Answer in fraction form is -2182/3
Answer in decimal form is -727.3*
Answer in Mixed number form -737 1/3