Find the slope of a line whose inclination is

(i) 45°

(ii) 30°

Find the equation of a straight line parallel to x-axis which is at a distance

(i) 2 units above it

(ii) 3 units below it

Find the equation of a straight line parallel to y-axis which is at a distance

(i) 3 units to the right

(ii) 2 units to the left.

Find the equation of a straight line parallel to y-axis and passing through the point (-3, 5).