Jackie bicycles 9 kilometers west to get from her house to school. After school, she bicycles 12 kilometers north to her friend Ronald's house. How far is Jackie's house from Ronald's house, measured in a straight line?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w