Answer:
I believe that the answer is that 13 students don't take any of the three classes.
There is the closure property of multiplication, addition, subtraction, etc
Answer:
4
Step-by-step explanation:
20 percent is 1/5. 1/5 of 20 is 4.
Answer: NUMBER 3
Step-by-step explanation:
Answer:
2n^3
Step-by-step explanation:
n^3 represents the cube of the number n; therefore,
"twice the cube of a number" is 2(n^3) or 2n^3