Solving proportions-what’s 3 over 7 and 12 over 21? do the ratios from a proportion

Can someone answer these problems for me

Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year