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
False because the answer would be -10
Step-by-step explanation:
Please refer to the attachment
C because the x's repeat with the 3 and 3. If the x's repeat it is not a function.
Hope that helps.
Answer:
500
Step-by-step explanation:
The 5 means 500. The whole number is read three thousand-five hundred-ninety