Answer:
Teachers to Students: 1:9, 1 to 19, 1/19
Students to teachers: 19:1, 19 to 1, 19/1
(If this is wrong the answers might be different for you but this is what I got an I was right)
Answer:
67 books of tickets
Step-by-step explanation:
-To get this, you just divide 1,350 by 20, and you will get 67!
Step-by-step explanation:
By the formula of slope, we have

Answer:
sum of terms: 55550
Explanation:

Here the number of terms:
1100 ÷ 11 = 100
Using the Formula:


Answer:
5
8
20
Step-by-step explanation: