Answer:
( x + 2y ) ( x - 2y )
Step-by-step explanation:
x² + [ -2xy + 2xy ] - 4y²
= x² - 4y²
Answer:
Step-by-step explanation:
5+6x =12
Answer:
A is the answer- Density = number of books over volume of shelf
Step-by-step explanation:
Density is mass/volume, so the number of books is the mass and the volume of the shelf is the volume for this equation.
Answer:
C. Associative property of multiplication
Step-by-step explanation:
The associative property of multiplication states that the way in which factors are grouped in a multiplication problem does not change the product.
Answer: 
Step-by-step explanation:
