Help with a a-d!!! these are practice questions for a test- not a actual assignment more quiz. I need to see how it's done and what the actual answer is because I got them all wrong when I tried. Can you PLS write it on paper it's easier for me to read!

7. Decide whether the following scenarios are permutations or combinations and then answer each question. a. The neighbourhood pizzeria has a special on large pizzas with four toppings. Last month Josh claimed he had eaten at least one slice from every kind of pizza that they could make on that special. If they have 15 toppings to pick from, do you believe Josh's claim? Explain. (2 marks) b. How many ways can you pick a committee of three people from a group of ten? How many ways could you pick a committee of seven from that group of ten? What do you notice about these two answers? Can you explain why this happens? (2 marks) c. How many different "words" can we make with the word "Newfoundland" if we must use every letter each time? Keep in mind that a "word" does not have to make sense or be in any dictionary-it only must be a unique combination of the 12 letters. (1 mark) d. There are 35 players dressed for tonight's hockey game. In how many ways can we pick the first, second and third stars of the game? (1 mark)