Answer:
B
Step-by-step explanation:
Hope this helped! Please let me know if I'm wrong!
Answer:

Step-by-step explanation:
Area of a square:
= 

Therefore, the answer of the scarf is 
Hope this helps!
Answer:
sets the size of the drawing paper. For size A drawing paper
Answer:
the answer is x + 9
Step-by-step explanation:
3 times x equals 3x and 3 times 3 equals 9 -2X
you need to add like terms together
3x+2x=5x
and then 9 is by itself
so x+ 9 is the answer
hope this helps :-)