Answer:

Step-by-step explanation:
l = Length = 11 cm
w = Width = 8 cm
h = Height = 8 cm
Perimeter of cardboard required for one box is

There are 100 gifts to pack so the total amount of cardboard needed would be

So, the minimum amount of cardboard Cathy needs to package all the gifts is
.
Answer:
The actual formula for the circumference is 2rpi. But the radius multiplied by 2 is the diameter. They are both right. Plug it the values in the formul and you will see. Sry if it doesn't make sense
Step-by-step explanation:
Answer:
x = 5
Step-by-step explanation:
4x + 8 - 9x = -17
combine like terms:
-5x = -25
divide both sides of the equation by -5:
x = 5
Answer:
45?
Step-by-step explanation:
Answer:
y=5/9x -2
Step-by-step explanation: