Answer:
6
Step-by-step explanation:
sets cannot have repeated elements. So this set only has the letters B, A, L, D, E, R which means the cardinality is 6
x= 1
y= 2
(1,2)
x=2
y=3
(2,3)
x=3
y=4
(3,4)
whole number or an integer.
Step-by-step explanation: hope this helps.
1536
steps....?
