3. Select a ratio that is equivalent to 6:4
a. 16:12
b. 8:12
c. 18:12
d. 24:12

C

Step-by-step explanation:

6:4=8:12

6x3=8

4x3=12

correct answers below:

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.