All real numbers............
Answer:
it's 3 I think
Step-by-step explanation:




Answer:
Since 21 hundredths is 21over one hundred,21 hundredths as a Fraction is 21/100. If you divide 21 by one hundred you get 21 hundredths as a decimal which is 0.21. To get21 hundredths as a Percent, you multiply the decimal with 100 to get the answer of 20percent.
Question 11= B
Question 13= C
I don't know how to do question 12