Solve for the missing term. Write your answer.

1.
a. 3
=
32 4

2.
90 a
=
54 3

3.
× 49
=
9 63

4.
2 n
=
5 30

5.
n 9
=
17 51

6.
3 24
=
10 n

7.
n 32
=
4 24

8.
5 23
=
n 69

9.
1 28
=
7 ×

10.
3 21
=
7 y