Awooden board 100 centimeters long is cut into two pieces. one piece is 16 centimeters longer than the other. what are the lengths of the two pieces

Which is an equation for the nth terms of the sequence 12,15,18,21

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

If a=0.333333 and b=0.55555, what is the value of a+b