Who am I? I am a prime number less than 100. I have two digits. If you reverse my two digits so that the first one is last and the last one is first, the new number is still a prime number. If you add my two digits, they total 8.

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?