Answer:
y = 2
Step-by-step explanation:
y ∝ kx
y =
× 9 = 
Speed = Distance / Time
SI unit for Distance is meters, m, and for time is seconds, s,
Speed = Distance / Time = m/s
Option b.
Step-by-step explanation:
1.
x=5
y=4
2.x=4.2
y=19.8
3. x=16
y=70.4
4. a=28
b=25/7
5.a=20
b=18
6. a=51
b=75
7. x=30
y=21
8.a=27
b=6
hope it helps:)
ignore that fig '-'
Step-by-step explanation:
y = cost, m = miles driven
y = 2m +33