Solve for the missing variable

Click on the graphic until the one that best represents the statement is shown. two nonintersecting planes.

Measures of the angle of r, 31 s (x+4) t (3x+9)

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?