Which rules of exponents will be used to evallate this expression? Select three options.

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

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?