One diagonal of a rhombus is tree times long as the other diagonal if the area of the rhombus is 54 square millimeters what is the length of the diagonals

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?