Which of the following are correct statements about the slope formula? check all that apply.

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

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1