If Ann cleans in 12 hours then she cleans

of the apartment per hour. Similarly Liz cleans

of the appartment per hour. So together then can clean

of the apartment for hour. Therefor it will take them

hours to clean.
The general formula

can be used as a check if needed.
Answer:
-3
Step-by-step explanation:
Idnxjhwhdjdudjdkuff
Answer:
<em> All college freshman </em>is called <em>Population and Right handed students are excluded is called sample from Population</em>
Step-by-step explanation:
<u>Explanation</u>:-
<em>Population:</em>- The total of the observations which we are concerned
given data <em>all college freshman </em>is called <em>Population</em>
<u><em>Sample</em></u><em> :-</em>
<em>A sample is a subset of a Population</em>
<em>Given data all college freshman </em>is called <em>Population and Right handed students are excluded is called sample from Population</em>
D. Because a number is irrational if it doesn't terminate or if it repeats over and over
Answer:
I am pretty sure its 30 students