Given the following relations on the set of all integers where (x, y)∈R(x, y)∈R if and only if the following is satisfied. (Check ALL correct answers from the following lists ):

(a) x+y=0

A. symmetric
B. reflexive
C. irreflexive
D. transitive
E. antisymmetric

(b) x−y is an integer

A. irreflexive
B. transitive
C. reflexive
D. symmetric
E. antisymmetric

(c) x=2y

A. antisymmetric
B. reflexive
C. irreflexive
D. symmetric
E. transitive

(d) xy≥1

A. transitive
B. symmetric
C. reflexive
D. irreflexive
E. antisymmetric

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Hye ryung is the president of the local chapter of the american medical students association (amsa). she is organizing local outreach and informational meetings. at her first meeting there are five people present (including herself). every month after that her group grows by 5 people. a. how many members are in the group after 6 months? b. the logistics of hosting and feeding her group at meetings was more complicated than expected. the cost of feeding 5 people at her first meeting was $30, for 10 people it was $35, for 15 it was $45, and after 6 months all of the costs had added up to $100. write a function to model the cost with the number of people attending meetings. c. what connections can you make between the linear growth of the group’s membership and the increasing costs of running meetings?

What is the interquartile range (iqr) of the data set represented by this box plot?