please answer all the questions with showing rough

A cake producer wants to use sales of tea to predict sales of cake. What is 4 points the slope? * Period Cake sales (unit) 48 Tea sales (unit) 30 39 54 January February March April May June 60 24 33 36 36 27 66) 48 O -1.88 -3.5 1.88 3.5 0.25 What is the y intercept? * 2 points 0 OO 5.78 2.5 -5.78 -2.5 Which of the following is correct? * 2 points downward sloping line starting from a negative y value O upward sloping line starting from a negative y value Odownward sloping line starting from neutral y value O upward sloping line starting from a positive y value Odownward sloping line starting from a positive y value What is the correlation? * 5 points -0.95 0.95 0.5 -0.095 0.095 Is this a strong or weak correlation * 2 points weak positive strong negative O strong positive O neutral O weak negative