Answer:
(5y−1)(y+1)
Step-by-step explanation:
Answer:
fcttcrftftcrfcccrcrcccrcdccdcdcdcdcrc
Hi!
As per graph and question,
a) The most challenging is:-
<u>Examination B</u>
<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>Reason</em> - There are few high scores and many low scores.
b) The least challenging is:-
<u>E</u><u>x</u><u>a</u><u>m</u><u>i</u><u>n</u><u>a</u><u>t</u><u>i</u><u>o</u><u>n</u><u> </u><u>C</u>
<em>Reason</em>- There are many high scores, few low scores and the lowest mark is not zero.