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:
3
Step-by-step explanation:
75
/5
−[(9−7)(3)](2)
=15−[(9−7)(3)](2)
=15−[(2)(3)](2)
=15−(6)(2)
=15−12
=3
The answer is x=2
Remember, first add/substract the like terms, in this case 6x-10x to get -4x. Then, add 8x to negative 8x to cancel it out and do the same thing to -4x. Do this with all your terms and you should get 4x=8. Then divide both sides by 4 to get x=2.
Answer:
x = -15 so, 15 ÷ -15 = 0
Step-by-step explanation:
Hope this helps!
Answer:
D. 39%
Step-by-step explanation:
What you do is you take the .21 and the total of the 10th grade which is .54 and put it into a fraction like this .21/.54.
You will get .388 but rounded to the nearest percent is 39%.