How can polygons be considered a subcategory of two-dimensional figures?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

Find the distance between c and d on the number line c=3 and d=11