The tree in deon's backyard is 8 meters high. how high is it in centimeter

Which of the following is the formula for the sequence graphed below

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

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 =