An airport offers two suttles that run on different schedules. if both suttles leave at 4 and one departs every 6 minutes and one departs every 9 minutes what time will they leave the airport together

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

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?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !