Answer:
B. Trapezoid
Step-by-step explanation:
Trapezoid is a quadrilateral with only one pair of parallel sides, so it's "B".
Answer:
(x,y)=(-5,5)
Step-by-step explanation:
Answer:
and 
Step-by-step explanation:
we have

we know that
Compound inequality can be divided into two inequalities
so

rewrite

and

therefore
An equivalent form of the compound inequality is
and 
See attached picture for the answers: