Is the following situation an example of an observational study, an experiment, or a survey? Explain your answer and provide specific details from the situation that help you to determine which is correct. ~~ A group of eight people work on the fifth floor of the Peyton Building. They all decide they want to lose weight by getting more exercise. Four of them decide to walk up the four flights of stairs each morning. The other four decide to walk down the four flights of stairs at the end of the day. They weigh themselves each Friday morning and compare.

answer:

step-by-step explanation:

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.

step-by-step explanation:

why? because i noticed a pattern. 60 120. those numbers without the zero, make the 6 times tables leaving your answer to be b since 6 times 4 is 24 and adding a zero making it 240.

19

step-by-step explanation: