Definition of Greatest Common Factor (GCF) The highest factor that divides exactly into two or more numbers.
Find the GCF of 21 and 52
21
52
Find the GCF of 10 and 50
10
50
Find the GCF of 12 and 80
12
80
Definition of Least/Lowest Common Multiple (LCM)
The smallest positive number that is a multiple of two or more numbers.
Find the LCM of 12 and 18
12
18
Find the LCM of 16 and 17

16

17

Find the LCM of 14 and 23

14

step-by-step explanation:

sry but any answer choices

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.