Which of the following figures could have both line symmetry and rotational symmetry? Select all that apply.
square
equilateral triangle
rectangle
isosceles triangle
trapezoid
regular octagon

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?