Answer:
quadrilateral,parallelogram
Step-by-step explanation:
A quadrilateral is a four-sided polygon.
A parallelogram is a quadrilateral with two sets of parallel sides, much like a rectangle, but with no right angles.
The answers to the questions
Answer:
x > 12
Step-by-step explanation:
9x>108
x> 108/9
x > 12
X⁴ - y⁴
x⁴ - x²y² + x²y² - y⁴
x²(x²) - x²(y²) + y²(x²) - y²(y²)
x²(x² - y²) + y²(x² - y²)
(x² + y²)(x² - y²)
