Nancy wants to wrap a gift box. The gift box has a square base, and the length of the base is 3 inches less than the height of the box. If x represents the height of the gift box, which of the following functions represents the surface area of the gift box?

Which number produces a rationale number when multiplied by 1/5

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.