Help please thanks :)

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180