Find the angle θ between u and v if u = <–9, –8 , 9> and v = <–5, –3, 9>.

47.1
158.5
68.5
21.5

The federal government began its interest in transportation with the construction of the National Road during the early 1800s. The correct option among all the options that are given in the question is the first option or option "a". The first National Road was constructed between the years 1811 and 1837.