I need help with this 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.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?