Iam so confused! can anyone me with this trig problem?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?