Another term used to describe the average is called the "_ _ _ _ "

What is the quadric regression equation that fits these data

!! 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?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3