Explain why there is only one line with the equation y = c that passes through the point (0,c)

If the value of cos330°is√3/2 then find cos 165°.

Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section

Bc and bd are opposite rays. all of the following are true except a)a,b,c,d are collinear b)a,b,c,d are coplanar c)bc=bd d)b is between c and d