lisa leaves the house to drive to school. she drives 9 miles north and 40 miles west. how far is she from her starting point?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Which of the following statements is a true conclusion that can be made from the scaled bargraph?

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required