Do u guys agree with dis

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

!! 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?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10