please solve using excel fomulas and show formulas used.

please show formulas used. D 1. What is the eade for all staden what is the number of students with decori What is the averagerade for its What is the made of making shoes 5. What is the grade percetak of student and last name is "Sotto" 10 116. What is the grade of students with starting with an 12 10 15 16 17 18 A TD F Final Grade D First Name Last Name Year 1 John Smith 2 Joana Adams 3 Alice Green 4 Bob Sutton 5 Jesus Hernandez 6 Maria Khamos 7 Joseph Tan 8 Steve Robinson 9 Tom Aben E Subject 1 IS 3 AG BUS 4 Marketing Z IS 1 Inerntalonal 315 1 Marketing AG BUS 4 Hospitality 8 8 88838 7 8 9 10 87 86 92 79 95 84 80 78 12 13 14 15 16 12 18 19 20