Nina will need 3 columns,3 rows and she will use 9 squares in all.
Hope that helped
Well.. for the equation x= 3.5, let's take a look at its values

so.. notice.. no matter what "y" is, "x" will always be 3.5,
so is really just a horizontal line, thus, look at the picture below
4) 4m, 18, and g
5) 4n means 4xn
Answer:
36
Step-by-step explanation: