Calculate the medullary index of a hair whose diameter is 176 µm wide and whose medulla measures 48 µm.

Which of the following developments during the 1780s produced the strongest calls for a new national constitution and government? a.disrespect and abuse toward americans by foreign powersb.political disputes between tories and whigsc.economic chaos in the nationod.failure of states to cooperate with congress

Which of the following powers is held only by the federal government? a. power to make a treaty b. power to set marriage laws c.power to create driving laws d.power to set the legal drinking age

Most collisions caused by 16-year-old drivers tend to involve . a. a temporary physical impairment b. a willfully dangerous action c. an improper visual search