Answer:
12
Step-by-step explanation:
4 x 3 is 12
If you count the zeros it’s
one billionth
Answer:
80
Step-by-step explanation:
You need to divide 20 by 1/4 as 1/4 of the people support it, and you need 20. 20/(1/4)=80.
Answer:
1 dime? I don't see an integer chip or whatever.
Step-by-step explanation:
Answer:
The correct option is a) n(n-4).
Step-by-step explanation:
Consider the provided information.
Let n represents the number of rows.
The number of seats in each row is 4 less than the number of rows.
This can be written as: 
A theater has n rows of seats.
Therefore the total number of seats in the theater is:

Hence, the correct option is a) n(n-4).