The blue segment below is a radius of O. what is the length of the diameter of the circle

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

Which number produces a rationale number when multiplied by 1/5

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.