What is the total surface area of a triangular prism with the sides of the base being 3 and the height being 6?

(Meaning the base is 3x3)

Evaluate the expression. (9 + 5)(3 + 2)0

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.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /