Q1. THE FIRST ATTENDANCE QUESTION WAS:
Wtenumerator of age and height of cousins

A1. MY ANSWER TO THE FIRST ATTENDANCE QUESTION IS:
(i)f:=x^21+2*x^30+x^28+x^31
(i)g:=x^180+x^172+x^168+x^166+x^175

Q2. THE  SECOND ATTENDANCE QUESTION WAS:
(i)wtenumerator of ages of first 10 dead president
(ii)wtenumerator of ages of last 10 dead president
(iii)(i)wtenumerator of ages of first and last dead president combined
(iv)how many pairs of 120,140,160

A2. MY ANSWER TO THE  SECOND ATTENDANCE QUESTION IS:
(i)f=x^67+x^83+x^90+x^73+x^85+x^68+x^78+x^80+x^53+x^65
(ii)g=x^63+x^46+x^90+x^78+x^88+x^64+x^81+x^93+x^93+x^94
(iii)F=(x^67+x^83+x^90+x^73+x^85+x^68+x^78+x^80+x^53+x^65)*(x^63+x^46+x^90+x^78+x^88+x^64+x^81+x^93+x^93+x^94)
(iv)120:0 140:0 160:2


Q3. THE  THIRD ATTENDANCE QUESTION WAS:
Find ave,m2,m4,m4/m2^2 of death ages of 10 rock singers

A3. MY ANSWER TO THE  THIRD ATTENDANCE QUESTION IS:
Ave=393/10
m2:20361/100
m4:1059833937/10000
m4/m2^2:353277979/138190107