Two cars leave the same parking lot, with one heading north and the other heading east. After several minutes, the northbound car has traveled 1 mile, and the eastbound car has traveled 4 miles. Measured in a straight line, how far apart are the two cars? If necessary, round to the nearest tenth.
+37146 Pythagorean theorem for right triangle
d^2 = 1^2 + 4^2 solve for d
