There's no other information. Find angle x. Is there not enough information?

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

If wxyz is a square, which statements must be true?