You and your friends are hiking in the mountains. The height (in feet) that you can throw the grappling hook is given by the function h(t)=-16t^2+80t+6.what is the highest hight you can throw the hook

He letter p on the number line below represents the number . (use the hyphen for negative numbers and write answer as a decimal, such as –7.2) number line from negative 7 to positive 7 in increments of 0.5 is shown. only the whole numbers are labeled. a point labeled p is placed at the eleventh tick mark to the left of 0.