Help me with 5, 6, and 7 please

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

Acylinder has volume 45π and radius 3. what is it’s height?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)