Alfie is cooking a 0.6kg jaunt of steak for dinner. calculate the total time he needs to cook for it

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

How do you use the elimination method for this question? explain, because i really want to understand!

Which expression will have the same sum as 3_8 + 1/4?