Answer:
0 (zero)
Step-by-step explanation:
Plug in the variable for -4 and solve
y= 2(-4)2-4(-4)
y= -8(2)-4(-4)
y=-16+16
y=0
Answer: 
Step-by-step explanation:
Given
The height of the cylinder is 
The volume of the cylinder is 
The volume of the cylinder is the product of area and height

Insert the values

Thus, the area of the cross-section is 
Answer:
2xy
Step-by-step explanation:
Here, we want to obtain the number with the smallest square
To get this, we simply find the nearest number square which is 2
The nearest x squared which is x (to get x^4)
The nearest y squared which is y (to get y^2)
Thus, the smallest number so we get a square will be; 2xy
Answer:
D
Step-by-step explanation: its a coeficcient because itd a number that has a variable along with it
It can not be simplified anymore