Which line has the steeper slope

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Average acceleration: i have no idea how to do this.

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?