Sam Uses glass beads for a project. of the beads, 35/100 are gold and 4/10 are silver. what fraction of the glass beads are gold or silver

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

What is sin 7x/4 ? i need on this urgent trig

What is the y intercept of f(x)=(1/2)^x?