A family worked all day building a sandcastle on the beach. As they were building the castle, the recorded the number of pails of sand that were used. In all, the creation used 25 pails of sand. Each pail was cylindrical in shape, had a radius of 6 inches and was 12 inches in height. How many cubic inches of sand were used in building the family´s sand castle?

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?

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Me. i can't figure out this question. give an explanation too. .