Pls help I’ll brainlest and add extra points

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

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Which expression shows the sum of the polynomials with like terms grouped together