I am very confused on these 3 questions.

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

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.