Pete and winnie visit star cafe every day and they pay for the items using a gift card. the amount, y dollars, on winnie's gift card after x days is given by the equation y=100-19x. the graph shows the amount on pete's gift card over x days. a.) write an equation for the amount on pete's gift card. b.) using your answer in a.) whose gift card had a higher initial amount?

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?

Sketch one cycle if the cosine function y=2cos2theta

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance