Use the graph in the picture to answer 2a & 2b: 2a. What is the maximum height of the tennis ball to the nearest tenth of a foot.
A.36.3 feet
B. 36.8 feet
C. 37.5 feet
D. 38.0 feet

2B. What does the x-coordinate of the vertex of the graph represent?
A. the maximum height of the tennis ball
B. The number of seconds the ball is in the air
C. the number of seconds the ball is in the air
D. the initial height of the tennis ball

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?

Rob filled 5 fewer plastic boxes with football cards than basketball cards. he filled 11 boxes with basketball cards.

How can writing phrases as algebraic expressions you solve problems?