Dear tutor, I would like to know which formula to use and explain the step by step if possible to use for the following questions. Thank you very much.

Question 3 [10 points] Cappuccinos, (3 cost $3 each, and compact disks, CD cost $5 each. Income is $45. a) Draw the budget line, no e that cappiccinos are on the horizontal axis. ' Budget Line O) Compact disks Jh 8 13 12 14 16 Cappuccinos b) What is the slope of the budget line in [a]? (Make sure your answer is accurate to two decimal places) Slope = I U c) If the price of cappuccinos rises to $9, draw this line on the graph above (select the drop-down at the top of the graph and select "New Budget Line" to draw this line). What is the slope of this new budget line\"? (Make sure your answer is accurate to two decimal places) Slope = I D d) At the initiai set of prices, are the following combinations of goods in the feasible set: (9C and 8CD], (11C and 7CD)? (9c and 80D) (11c and ice)