Answer:
Option (a) is correct.
is a perfect cube.
Step-by-step explanation:
Given : Some Monomial
We have to choose out of given monomial that is a perfect cube.
Perfect cubes are numbers that can be written as 
So, consider , we know 1 can be written as 
Thus, can be written as 
Thus, Option (a) is correct.
The equation would be
x - 18 = collection left
X = how much was your collection before you gave your brother 13 cards
Since we don't know how big was your collection before, this would be the equation to solve it.
Answer:
It is 21
Step-by-step explanation:
It's C the missing side is 9 units long so since cosine is adjacent divided by hypotenuse it would be 9/41
