15% of what number is 39 i need the equation and it worked out

Is the power produced directly proportional to the wind speed, give reasons for your answer?

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

Do,h = (7, 9) (14, 18) the scale factor is