Simone has 5 employees in her flower shop. each employee works 6 4/15 hours per day. how many hours, in total, do the 5 employees work per day?
a. 30 2/3
b. 28
c. 31 1/3
d. 30

If square root x = -7, then x= -49 true or false

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

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.