Surface area is what it seems to be. All of the area of the solid's faces together. Like a cube, just find the areas of all of the squares that make the cube then add them together.
Answer:
?=9
Step-by-step explanation:
We have a special right triangle, the 45-45-90 triangle.
In a 45-45-90 triangle, the side lengths are x, and the hypotenuse is x√2.
Since we know that the side length is 9, this means that:

The ? is 9.
The answer is A(45) = -211
0.8 try that
Step-by-step explanation:
I think thats right
Answer:
A
Step-by-step explanation:
The degree is cubic (3) and there are 3 terms X^3, X^2, X