(3.6 x 10⁷) / (7.2 x 10⁷)

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

What point is the projection of q on a) r b) s c) t