How to make the statement true 3.9=39 hundredths
A: Change 3.9 to 3.90
B: Change hundredths to tenths
C: Change hundredths to ones
D: Change 3.9 to 390

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.

b is the correct answer

your answer is  

a.

5

step-by-step explanation:

its   c, f, a

step-by-step explanation: