Write the equation for each line. (will give brainlest)

Need santino bought a 3/4 pound bag of chocolate chips. he used 2/3 of the bag whule baking. how many pounds of chocolate chips did he use while baking?

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

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?