This p called variable ..
20% because you have to creat a proportion and solve
Answer:
x=9
Step-by-step explanation:
Answer:
Step-by-step explanation:
Compare the ratios of the triangles like so:
Bigger to smaller

This statement is true. Both fractions simplified are equal to 1.5. Since they have the same ratios, they should be similar.
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).