A. no the sides are not proportional

B. yes the sides are in the ratio 2:5

C. yes the sides are in the ratio 4:5

D. yes the sides are in the ratio 1:5

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.

32

step-by-step explanation:

answer: answer is b.

[m < b = 120º]

step-by-step explanation: