Is h with an exponent of 2, be the same as h x h?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?