Answer:
a. 4600
b. 6200
c. 6193
Step-by-step explanation:
Let
the number of elements in A.
Remember, the number of elements in
satisfies

Then,
a) If
, and if 
Since 
So

b) Since the sets are pairwise disjoint

c) Since there are two elements in common to each pair of sets and one element in all three sets, then

Answer:
y=-1x+-3
Step-by-step explanation:
Multiplication property; distribution property of an exponent. Multiply exponents together, then distribute the ¨( )¨
THE ANSWER IS EQUILATERAL BECAUSE THEY ALL HAVE EQUAL SIDES