Homework 1 Math 688 Graduate Combinatorics I
Fall 2020
Due Friday, September 11
1. (2 points) Let I be a connected graph that contains exactly two vertices of odd degrees.
Prove that there exists a walk from one vertex of odd degree to the other vertex of odd
degree that goes through every edge exactly once.

What is the difference of the fractions use the number line and equivalent fractions to find the answer -2 1 2 -1-34 i’m already started the quiz

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?