Select the equivalent expression. \left(\dfrac{x^{4}}{7^{-8}}\right)^ {-7}=?(
7
−8

x
4

​
)
−7
=?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

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?