The base is 5 because the base = 2 Area/Height
Answer:

Step-by-step explanation:
Squares 
Volume 
Generally the equation for Volume of box is mathematically given by




Since
Length of cardboard is


Therefore
Dimensions of the piece of cardboard is

Answer:
1100000
Step-by-step explanation:
Answer:
6(3x + 1/2)
9(2x + 1/3)
2(9x + 5) - 7
Step-by-step explanation:
6(3x + 1/2)= 18x + 3 ✅
9(2x + 1/3)= 18x + 3 ✅
4(4x + 1) -1= 16x + 3
2(9x + 5) - 7= 18x + 3 ✅
3(6x + 2) + 3= 18x + 9