The preschool class has 18 students in the 3 year old class. there are 3 full time teachers and 1 half time teacher for this group of children. what is the ratio of students per teacher rounded to the nearest whole number

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.