Help me please Complete the similarity statement for the similar figures then find the scale factor

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

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Which one is true about the hexagons ?