A dentist conducts a survey to determine whether a certain brand of mouthwash improves gum health more than others. When his patients come in for their regular cleanings, the dentist surveys them about their mouthwash use and makes a conclusion based on the survey results. The conclusion drawn from the study is because the sample is . In this instance, an study was conducted.

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 name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

The product of 3 and a number increased by 8 is 31