When determining if two expressions are equivalent, which properties of operations might be useful? Why? EXPLAIN NEED 3 sentences

Avegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide. find the total area of the vegetable garden and path

Find the value of x for which abcd must be a parallelogram -9-6x x-30

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.