1/4-x<2x+1 what does x equal?​

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

Select the number of ways in which a line and a circle can intersect

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?