could you please solve these questions?

Math 30-1 Permutation and Combinations - Unit Final D: B Numerical Response: Numerical Response 1 Determine the number of distinguishable 3-letter arrangements using all the letters in the word DIPLOMA Use the following information to answer the next question A student is classifying the following contexts as either permutations or combinations Context A: Dialing a friend in Calgary who has a 10-digit number with distinct digits Context B: Choosing 6 people for a committee Context C: Selecting 5 vegetables to put in a bowl Context B: Entering a 4-digit card number Numerical Response 2 For each context use a 1 indicate that context would be classified as permutation and use a 2 indicate that the context would be classified as a combination Use the following information to answer the next question An executive committee consisting of a president, a vice president, an administrator is to be formed from a group of 20 students. Numerical Response 3 The number of different executive committees that can be formed is