From the observation deck of a skyscraper, Christopher measures a 45^{\circ} ∘
angle of depression to a ship in the harbor below. If the observation deck is 1036 feet high, what is the horizontal distance from the base of the skyscraper out to the ship? Round your answer to the nearest tenth of a foot if necessary

What number must you add to complete the square x^2+12x=16

The table shows the distance traveled over time while traveling at a constant speed.

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =