Answer:
0.65 is the correct answer
Step-by-step explanation:
Simplest form=10/30=1/3
=1cm:3cm
Simplest form=2cm:1m
1m=100cm
2:100
2/100=1/50
1cm:50cm
y=9
y=mx+c
gradient of a horizontal line is 0
y=0x+9