Answer:
a. 20
b. 5
Step-by-step explanation:
The scale factor is 5 because 6×5=30
a. 4×5=20
b. 25÷5=5
The missing fraction would be

since it is exactly in the halfway between
m is 43
add my instagarm @jessica.letendre
If we divide 12.6/4.5 by 3 we receive 4.2/1.5. So yes they are proportional. <span />
Its the y=3x2one pretty sure