All of the following are equivalent except . -2 4
(-2) 4
(-2)(-2)(-2)(-2)
2 4

Question 5 spring semester final exam math evaluate

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?

Asap! i'm not good math and i'm lost.