Step-by-step explanation:
the union of two sets is a new sets that contains all of the elements that are in at least one or two sets and written as (A U B)
while intersection of two sets is a new set that contains all of the elements in both sets and written as (A n B)
Answer:
trapeziod
Step-by-step explanation:
A trapezoid is a quadrilateral with only one pair of opposite sides parallel. The parallel sides are called bases, and the nonparallel sides are called legs. A segment that joins the midpoints of the legs is called the median of the trapezoid
Start by combining like terms:


Now we have:

Divide both sides by 2 to isolate s

Final answer:
s=12
Answer:
m m.k;llm
]lp;k
llllklnm nk
Step-by-step explanation: