<span>Abstract algebra is the set of advanced topics of algebra that deal with abstract algebraic structures rather than the usual number systems.</span>
Assuming that you were to simplify this, you'd get 2n + 7n + 8 = 9n + 8.
Answer:
right trapezoid
Step-by-step explanation:
It is a quadrilateral, but it's a special type called a right trapezoid (or trapezium, depending what country you are from).
The definition of a right trapezoid is a quadrilateral (4 sided shaped) with 2 parallel sides and 2 adjacent right angles.