Michael is 3 times as old as brandon 18 years ago, michael was 9 times as old as brandon.

 Age of Brandon is 24 years.

Age of Michael is 72 years.

Step-by-step explanation:

Since we have given that

Michael is 3 times as old as Brandon .

Let the age of Brandon be 'x'.

Let the age of Michael be 3x

According to question, 18 years ago, Michael was 9 times as old as Brandon.

18 years ago,

Age of Brandon was x-18

Age of Michael was 3x-18

So, our equation becomes,

Hence, Age of Brandon is 24 years.

Age of Michael is 24×3=72 years.

f-1(x)= cube root of 19x squared/x

step-by-step explanation:

false.

step-by-step explanation:

false.

cavalieri's principle makes that statement about the volumes, not about the areas.