tuana gave half of her marbles away. if she gave some to her sister and twice as many to her brother, and had 6 marbles left, how many marbles did she give her brother?

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 the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

What expression is equivalent to (2x-1)(x-3)?