You conducted an experiment by flipping a coin, from the data below, what was the frequency of NOT tails? {H, H, T, T, T, H, T, T, H}

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

Let w=23 . what is the value of w + 45 ?

Percent increase and decrease. original number: 45 new number: 18