Morgan left a 15% tip for a restaurant meal that costs $19. she used the expression 1.15(19) to find the total cost. which equivalent expression could she also use to solve this problem ?
a. 1 + 0.15(19)
b. 19 + 15( 19)
c. ( 19 + 0.15) 19
d. 19 + 0.15( 19 )

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 diameter of a bacteria colony that doubles every hour is represented by the graph below. what is the diameter of the bacteria after 8 hours? graph of a curve passing through the points zero comma 1, one comma two, two comma four, and three comma eight

In the triangle below, what is the length of the side opposite the 60° angle?