Because the Median could be anywhere within the interquartile range the upper quartile could be between 10 and 15
Your answer is A hope this helps
9,6^2+18,8^2=X^2
92,16+353,44=X^2
X^2=445,6
X=21
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, add 45 TO 45
1/3 because reciprocal is the opposite