#ATTENDANCE QUIZ FOR LECTURE 2 of Dr. Z.'s Math454(02) Rutgers University

# Please Edit this .txt page with Answers

#Email  ShaloshBEkhad@gmail.com 
#Subject: p2
#with an attachment called
#p2FirstLast.txt
#(e.g. p2DoronZeilberger.txt)

#Right after finishing watching the Second lecture but no later than Friday, Sept. 11, 2020, 8:00pm




Q1. THE FIRST ATTENDANCE QUESTION WAS:
#My RUID is 185002317
#Let a:=FIRST DIGIT of your RUID=1
#Let b:=SECOND DIGIT of your RUID=8
#Let c:=FIFTH DIGIT of your RUID=0
#Let d:=SIXTH DIGIT of your RUID=2
#HOW MANY WALKS IN MANHATTAN ARE THERE (NOT USING BDWAY)
#From CORNER of min(a,b) St and min(c,d) Ave (1st street and 0th Avenue)
#to	"	max(a,b) St and max(c,d) Ave (8th street and 2nd Avenue)
#Walking in the positive direction


A1. MY ANSWER TO THE FIRST ATTENDANCE QUESTION IS:
F(7,2)=36



Q2. THE  SECOND ATTENDANCE QUESTION WAS:
#MY RUID is 185002317
#CONSIDER YOUR RUID AS A WORD of LENGTH 9 IN
#THE 10-letter "ALPHABET" {0,1,2,...,9}
#HOW MANY WAYS TO REARRANGE YOUR RUID?

A2. MY ANSWER TO THE  SECOND ATTENDANCE QUESTION IS:
9!/(2!2!)=90720