I believe these are the answers. A i) (y=5) x=6 ii) (y = -1) x=0 iii) (y = -2) x = -1 B i) (x = -4) y = -5 ii) (x=2) y=1 iii) (x=5) y=4 Sorry if these are wrong but I hope the help.
Part A : The diagram shows a line of best fit with a positive correlation.As the amount of guests increases the amount of pizzas increase supporting the positive correlation.