What are three equivalent fractions for 4/9

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 f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

What is the lcm of 16 and 40 ? 24 and 40 ?