How do you identify the constant of proportionality when given an equation?

What’s the ratio in simplest form if you count 14 robins out of 150 birds

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Adriveway is 40 yards long about how many meters long is it