Answer:
Option 1
Step-by-step explanation:
The formula of constant porpotionality is

or

where k is the constant of porpotionality.
This equation is direct variation so we will use

The equation is in the form

1.5 is in k place so the constant of porpotionality is 1.5
Ok this is a pretty easy one.
2=22
3=20
4=18
Answer:
The length is 4 times the width
Answer: step by step explanation
it's just that you have to multiply the number under root and it's any number is square then you can take it out of root.
Answer:48
Step-by-step explanation: