A identify if the given equation is a direct, inverse, joint or combined variation

A identify if the given equation is a direct, inverse, joint or combined variation with k as the constant of variation.
1. b = kd
3. m
5. mn = kpq
2. y = kim
4. = RC
B. Write the equation of variation and solve for the constant of variation.
1.
1
P
2
3
3.
5
P
3
6
12
24
48
a
7
28
63
112 175
a
16
8
2
1
2.
3
6
12
24
48
P
р
6
12
18
24
30
2
1
00
1
2
q
16
6
4.
8
a
10
10
PIVOT 4A CALABARZON Math G9