Let E and F are any two non empty sets and there order are as follow Let;|E|=m and |F|=n what will be the order of its Cartesian product

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.

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

Given the net of the rectangular prism, what is its surface area?