What is the proper mathematical definition of "square root? "

What is the first quartile of the data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?