Let O be the point of intersection of the diagonals of quadrilateral ABCD. Prove that ABCD could be a trapezoid (has one pair of opposite sides parallel), if Area of AOD=Area of BOC.

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Does anyone know how to do geometryme with this problem

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?