If 25% of all students in the 7th grade have pets, and there are 40 students with pets, how many total students are there in the 7th grade?

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?

This is so hard and it’s for a test

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube