9 : 2 = 18 : 4
As: 9 x 2 : 2 x 2 = 18 : 4
--------------------
36 : 8 = 18 : 4
As: 18 x 2 : 4 x 2 = 36 : 8
--------------------
72 : 16 = 18 : 4
As: 18 x 4 : 4 x 4 = 72 : 16
Answer:
Step-by-step explanation:
To find the average rate of change, we use the formula
Where and
Knowing this, we can plug in all of our know values and simplify.
Answer:
9/4
Step-by-step explanation:
x/6 = 3/8
or, 8x = 3*6
or, x = 18/8
or, x = 9/4
Answer:
2nd one
Step-by-step explanation: