Answer:

Step-by-step explanation:
To evaluate
from the following expression:

Taking 


∴ 
D. Because you're multiplying 3 by a number which is what the variable represents (n), then you're just adding 7 to that which equals 19 all together. It all translates to 3n+7=19.
There are 85 seats in each section. 2125 divided by 25 is 85.
It seems that you have missed the necessary question for us to answer this problem. Anyway, please complete it first and I will try to get back to you and try to help. Let me know. Have a great day ahead!
Answer:
x=9/20 or x=0.45
Step-by-step explanation: