Question 2
At the "Brain Drain" championships teams earned points for answering trivia questions. Their final scores are shown below. Use the graph to answer the questions.

a) What is the combined points scored by Alpha and Beta?
b) What is the difference in the number of points Beta scored and the number Alpha scored?
c) How many more points did team Kappa score than team Alpha?

a) What is the combined points scored by Alpha and Beta?
b) What is the difference in the number of points Beta scored and the number Alpha scored?
c) How many more points did team Kappa score than team Alpha?