Answer:
The surface area of the gift box that Kira decorates is 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
A cube has six square faces
The surface area of a cube is equal to the area of the six squares faces

where
b is the length side of a cube
In this problem we have

substitute


Answer:
B
Step-by-step explanation:
16,x+4
by completing square formula
Answer:
If these two are supplementary angles, than <1 is 72 degrees.
Step-by-step explanation:
In order to find that, we simply need to subtract the first angle from 180 degrees.
180 - 108 = 72 degrees
What are you looking for? Please ensure that you have copied down the complete original question.
If, for example, the usual price of the cycle is $4,100, and we want to know how much one could save by buying the cycle at $3,600, we must subtract $3,600 from $4,100:
$4,100
- 3,600
-----------
$500