Answer:
2 × n - 1 = x
Step-by-step explanation:
for example:


Step-by-step explanation:
3+√5+3√5+5
=6√5+5
=6√10
Lol I don't know how to make a table on this site, but I will try!
___________________________________________
health: __7__⊥__14___⊥__21__⊥__28_
fire: 12 ║ 24 ║ 36 ║
__________________________________________
There are not any common factors between 7 and 12 until they are multiplied
The health inspector and the fire inspector will visit on the same day in 84 days
Hope I helped! Comment if you have a question about my answer! :)
Answer:
20 : 9
Step-by-step explanation:
Given the ratio
2 : 
Multiply both parts of the ratio by 10 to clear the fraction
= 20 : 9