Given quadrilateral ABCD. Let E, F,G, H be the midpoints of the sides AB, BC, CD and DC, and I, J are the midpoints of the diagonals AC and BD, respectively. Prove: quadrilaterals EFGH, IFJH are parallelograms PLZ HELP ME GUYS

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

The parabola opens: y=√x-4 (principal square root) up down right left

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?