MUSIC THEORY PUZZLE plz help asap (PART ONE) answer them all if possible

Answer:
1-
2-
3
4
5
6
7- half note
8
9
10
11
12
13- half time
14- middle C
15- forte
16-
17- a little over pitch
18-
19-
20-notation
Explanation:
Those are the ones that I know.