an airplane is flying 800 meters in the air. it starts decending at a rate of 30 meters per second. if x represents the total number of seconds the plane decends, which equation can be used to represent the planes desent

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?